56721165

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 94273536

約数和(自身を除く): 37552371

約数列:

[1, 3, 5, 15, 31, 93, 155, 223, 465, 547, 669, 1115, 1641, 2735, 3345, 6913, 8205, 16957, 20739, 34565, 50871, 84785, 103695, 121981, 254355, 365943, 609905, 1829715, 3781411, 11344233, 18907055, 56721165]

約数ペア:

[(1, 56721165), (3, 18907055), (5, 11344233), (15, 3781411), (31, 1829715), (93, 609905), (155, 365943), (223, 254355), (465, 121981), (547, 103695), (669, 84785), (1115, 50871), (1641, 34565), (2735, 20739), (3345, 16957), (6913, 8205)]