87947199

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 130403520

約数和(自身を除く): 42456321

約数列:

[1, 3, 9, 47, 141, 257, 423, 771, 809, 2313, 2427, 7281, 12079, 36237, 38023, 108711, 114069, 207913, 342207, 623739, 1871217, 9771911, 29315733, 87947199]

約数ペア:

[(1, 87947199), (3, 29315733), (9, 9771911), (47, 1871217), (141, 623739), (257, 342207), (423, 207913), (771, 114069), (809, 108711), (2313, 38023), (2427, 36237), (7281, 12079)]