1257429285

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42923}}^1$

素因数の和:42975

約数の個数: 64

約数和(自身を含む): 2637250560

約数和(自身を除く): 1379821275

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 651, 837, 945, 1085, 1395, 1953, 3255, 4185, 5859, 9765, 29295, 42923, 128769, 214615, 300461, 386307, 643845, 901383, 1158921, 1330613, 1502305, 1931535, 2704149, 3991839, 4506915, 5794605, 6653065, 8112447, 9314291, 11975517, 13520745, 19959195, 27942873, 35926551, 40562235, 46571455, 59877585, 83828619, 139714365, 179632755, 251485857, 419143095, 1257429285]

約数ペア:

[(1, 1257429285), (3, 419143095), (5, 251485857), (7, 179632755), (9, 139714365), (15, 83828619), (21, 59877585), (27, 46571455), (31, 40562235), (35, 35926551), (45, 27942873), (63, 19959195), (93, 13520745), (105, 11975517), (135, 9314291), (155, 8112447), (189, 6653065), (217, 5794605), (279, 4506915), (315, 3991839), (465, 2704149), (651, 1931535), (837, 1502305), (945, 1330613), (1085, 1158921), (1395, 901383), (1953, 643845), (3255, 386307), (4185, 300461), (5859, 214615), (9765, 128769), (29295, 42923)]