2021569407

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 3754175040

約数和(自身を除く): 1732605633

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 53, 81, 89, 99, 111, 117, 143, 159, 267, 297, 333, 351, 407, 429, 477, 481, 583, 689, 801, 891, 979, 999, 1053, 1157, 1221, 1287, 1431, 1443, 1749, 1961, 2067, 2403, 2937, 2997, 3293, 3471, 3663, 3861, 4293, 4329, 4717, 5247, 5291, 5883, 6201, 7209, 7579, 8811, 9879, 10413, 10989, 11583, 12727, 12987, 14151, 15741, 15873, 17649, 18603, 21571, 22737, 25493, 26433, 29637, 31239, 32967, 36223, 38181, 38961, 42453, 42809, 47223, 47619, 51887, 52947, 55809, 61321, 64713, 68211, 76479, 79299, 88911, 93717, 108669, 114543, 127359, 128427, 142857, 155661, 158841, 174529, 183963, 194139, 204633, 229437, 266733, 280423, 326007, 343629, 382077, 385281, 428571, 466983, 470899, 523587, 551889, 582417, 613899, 674531, 688311, 841269, 978021, 1030887, 1155843, 1400949, 1412697, 1570761, 1655667, 1747251, 1919819, 2023593, 2064933, 2268877, 2523807, 2934063, 3467529, 4202847, 4238091, 4712283, 4967001, 5759457, 6070779, 6806631, 7571421, 12714273, 14136849, 17278371, 18212337, 20419893, 22714263, 24957647, 38142819, 51835113, 54637011, 61259679, 74872941, 155505339, 183779037, 224618823, 673856469, 2021569407]

約数ペア:

[(1, 2021569407), (3, 673856469), (9, 224618823), (11, 183779037), (13, 155505339), (27, 74872941), (33, 61259679), (37, 54637011), (39, 51835113), (53, 38142819), (81, 24957647), (89, 22714263), (99, 20419893), (111, 18212337), (117, 17278371), (143, 14136849), (159, 12714273), (267, 7571421), (297, 6806631), (333, 6070779), (351, 5759457), (407, 4967001), (429, 4712283), (477, 4238091), (481, 4202847), (583, 3467529), (689, 2934063), (801, 2523807), (891, 2268877), (979, 2064933), (999, 2023593), (1053, 1919819), (1157, 1747251), (1221, 1655667), (1287, 1570761), (1431, 1412697), (1443, 1400949), (1749, 1155843), (1961, 1030887), (2067, 978021), (2403, 841269), (2937, 688311), (2997, 674531), (3293, 613899), (3471, 582417), (3663, 551889), (3861, 523587), (4293, 470899), (4329, 466983), (4717, 428571), (5247, 385281), (5291, 382077), (5883, 343629), (6201, 326007), (7209, 280423), (7579, 266733), (8811, 229437), (9879, 204633), (10413, 194139), (10989, 183963), (11583, 174529), (12727, 158841), (12987, 155661), (14151, 142857), (15741, 128427), (15873, 127359), (17649, 114543), (18603, 108669), (21571, 93717), (22737, 88911), (25493, 79299), (26433, 76479), (29637, 68211), (31239, 64713), (32967, 61321), (36223, 55809), (38181, 52947), (38961, 51887), (42453, 47619), (42809, 47223)]