81287838

素因数分解:

$2^1\times 3^2\times {\mathrm{179}}^1\times {\mathrm{25229}}^1$

素因数の和:25416

約数の個数: 24

約数和(自身を含む): 177114600

約数和(自身を除く): 95826762

約数列:

[1, 2, 3, 6, 9, 18, 179, 358, 537, 1074, 1611, 3222, 25229, 50458, 75687, 151374, 227061, 454122, 4515991, 9031982, 13547973, 27095946, 40643919, 81287838]

約数ペア:

[(1, 81287838), (2, 40643919), (3, 27095946), (6, 13547973), (9, 9031982), (18, 4515991), (179, 454122), (358, 227061), (537, 151374), (1074, 75687), (1611, 50458), (3222, 25229)]