38142819

素因数分解:

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

素因数の和:162

約数の個数: 80

約数和(自身を含む): 69521760

約数和(自身を除く): 31378941

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 81, 89, 99, 111, 117, 143, 267, 297, 333, 351, 407, 429, 481, 801, 891, 979, 999, 1053, 1157, 1221, 1287, 1443, 2403, 2937, 2997, 3293, 3471, 3663, 3861, 4329, 5291, 7209, 8811, 9879, 10413, 10989, 11583, 12727, 12987, 15873, 26433, 29637, 31239, 32967, 36223, 38181, 38961, 42809, 47619, 79299, 88911, 93717, 108669, 114543, 128427, 142857, 266733, 326007, 343629, 385281, 428571, 470899, 978021, 1030887, 1155843, 1412697, 2934063, 3467529, 4238091, 12714273, 38142819]

約数ペア:

[(1, 38142819), (3, 12714273), (9, 4238091), (11, 3467529), (13, 2934063), (27, 1412697), (33, 1155843), (37, 1030887), (39, 978021), (81, 470899), (89, 428571), (99, 385281), (111, 343629), (117, 326007), (143, 266733), (267, 142857), (297, 128427), (333, 114543), (351, 108669), (407, 93717), (429, 88911), (481, 79299), (801, 47619), (891, 42809), (979, 38961), (999, 38181), (1053, 36223), (1157, 32967), (1221, 31239), (1287, 29637), (1443, 26433), (2403, 15873), (2937, 12987), (2997, 12727), (3293, 11583), (3471, 10989), (3663, 10413), (3861, 9879), (4329, 8811), (5291, 7209)]