64661505

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{577}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 107424768

約数和(自身を除く): 42763263

約数列:

[1, 3, 5, 15, 31, 93, 155, 241, 465, 577, 723, 1205, 1731, 2885, 3615, 7471, 8655, 17887, 22413, 37355, 53661, 89435, 112065, 139057, 268305, 417171, 695285, 2085855, 4310767, 12932301, 21553835, 64661505]

約数ペア:

[(1, 64661505), (3, 21553835), (5, 12932301), (15, 4310767), (31, 2085855), (93, 695285), (155, 417171), (241, 268305), (465, 139057), (577, 112065), (723, 89435), (1205, 53661), (1731, 37355), (2885, 22413), (3615, 17887), (7471, 8655)]