257156728569

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1597}}^1\times {\mathrm{4483}}^1$

素因数の和:6406

約数の個数: 48

約数和(自身を含む): 401665456192

約数和(自身を除く): 144508727623

約数列:

[1, 3, 9, 13, 39, 117, 307, 921, 1597, 2763, 3991, 4483, 4791, 11973, 13449, 14373, 20761, 35919, 40347, 58279, 62283, 174837, 186849, 490279, 524511, 1376281, 1470837, 4128843, 4412511, 6373627, 7159351, 12386529, 17891653, 19120881, 21478053, 53674959, 57362643, 64434159, 93071563, 161024877, 279214689, 837644067, 2197920757, 6593762271, 19781286813, 28572969841, 85718909523, 257156728569]

約数ペア:

[(1, 257156728569), (3, 85718909523), (9, 28572969841), (13, 19781286813), (39, 6593762271), (117, 2197920757), (307, 837644067), (921, 279214689), (1597, 161024877), (2763, 93071563), (3991, 64434159), (4483, 57362643), (4791, 53674959), (11973, 21478053), (13449, 19120881), (14373, 17891653), (20761, 12386529), (35919, 7159351), (40347, 6373627), (58279, 4412511), (62283, 4128843), (174837, 1470837), (186849, 1376281), (490279, 524511)]