81428778

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{74161}}^1$

素因数の和:74230

約数の個数: 24

約数和(自身を含む): 179323716

約数和(自身を除く): 97894938

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 74161, 148322, 222483, 444966, 667449, 1334898, 4523821, 9047642, 13571463, 27142926, 40714389, 81428778]

約数ペア:

[(1, 81428778), (2, 40714389), (3, 27142926), (6, 13571463), (9, 9047642), (18, 4523821), (61, 1334898), (122, 667449), (183, 444966), (366, 222483), (549, 148322), (1098, 74161)]