1331569305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 2727117120

約数和(自身を除く): 1395547815

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 61, 95, 99, 121, 165, 171, 183, 209, 211, 285, 305, 363, 495, 549, 605, 627, 633, 671, 855, 915, 1045, 1055, 1089, 1159, 1815, 1881, 1899, 2013, 2299, 2321, 2745, 3135, 3165, 3355, 3477, 4009, 5445, 5795, 6039, 6897, 6963, 7381, 9405, 9495, 10065, 10431, 11495, 11605, 12027, 12749, 12871, 17385, 20045, 20691, 20889, 22143, 25531, 30195, 34485, 34815, 36081, 36905, 38247, 38613, 44099, 52155, 60135, 63745, 64355, 66429, 76593, 103455, 104445, 110715, 114741, 115839, 127655, 132297, 140239, 141581, 180405, 191235, 193065, 220495, 229779, 244549, 332145, 382965, 396891, 420717, 424743, 485089, 573705, 579195, 661485, 701195, 707905, 733647, 1148895, 1222745, 1262151, 1274229, 1455267, 1557391, 1984455, 2103585, 2123715, 2200941, 2425445, 2690039, 3668235, 4365801, 4672173, 6310755, 6371145, 7276335, 7786955, 8070117, 11004705, 13450195, 14016519, 21829005, 23360865, 24210351, 29590429, 40350585, 70082595, 88771287, 121051755, 147952145, 266313861, 443856435, 1331569305]

約数ペア:

[(1, 1331569305), (3, 443856435), (5, 266313861), (9, 147952145), (11, 121051755), (15, 88771287), (19, 70082595), (33, 40350585), (45, 29590429), (55, 24210351), (57, 23360865), (61, 21829005), (95, 14016519), (99, 13450195), (121, 11004705), (165, 8070117), (171, 7786955), (183, 7276335), (209, 6371145), (211, 6310755), (285, 4672173), (305, 4365801), (363, 3668235), (495, 2690039), (549, 2425445), (605, 2200941), (627, 2123715), (633, 2103585), (671, 1984455), (855, 1557391), (915, 1455267), (1045, 1274229), (1055, 1262151), (1089, 1222745), (1159, 1148895), (1815, 733647), (1881, 707905), (1899, 701195), (2013, 661485), (2299, 579195), (2321, 573705), (2745, 485089), (3135, 424743), (3165, 420717), (3355, 396891), (3477, 382965), (4009, 332145), (5445, 244549), (5795, 229779), (6039, 220495), (6897, 193065), (6963, 191235), (7381, 180405), (9405, 141581), (9495, 140239), (10065, 132297), (10431, 127655), (11495, 115839), (11605, 114741), (12027, 110715), (12749, 104445), (12871, 103455), (17385, 76593), (20045, 66429), (20691, 64355), (20889, 63745), (22143, 60135), (25531, 52155), (30195, 44099), (34485, 38613), (34815, 38247), (36081, 36905)]