87457563

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{5653}}^1$

素因数の和:5856

約数の個数: 20

約数和(自身を含む): 131353728

約数和(自身を除く): 43896165

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 5157, 5653, 15471, 16959, 50877, 152631, 457893, 1079723, 3239169, 9717507, 29152521, 87457563]

約数ペア:

[(1, 87457563), (3, 29152521), (9, 9717507), (27, 3239169), (81, 1079723), (191, 457893), (573, 152631), (1719, 50877), (5157, 16959), (5653, 15471)]