87551961

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1663}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 140574720

約数和(自身を除く): 53022759

約数列:

[1, 3, 7, 21, 23, 69, 109, 161, 327, 483, 763, 1663, 2289, 2507, 4989, 7521, 11641, 17549, 34923, 38249, 52647, 114747, 181267, 267743, 543801, 803229, 1268869, 3806607, 4169141, 12507423, 29183987, 87551961]

約数ペア:

[(1, 87551961), (3, 29183987), (7, 12507423), (21, 4169141), (23, 3806607), (69, 1268869), (109, 803229), (161, 543801), (327, 267743), (483, 181267), (763, 114747), (1663, 52647), (2289, 38249), (2507, 34923), (4989, 17549), (7521, 11641)]