664572237

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{1279}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 1027276800

約数和(自身を除く): 362704563

約数列:

[1, 3, 7, 21, 109, 227, 327, 681, 763, 1279, 1589, 2289, 3837, 4767, 8953, 24743, 26859, 74229, 139411, 173201, 290333, 418233, 519603, 870999, 975877, 2032331, 2927631, 6096993, 31646297, 94938891, 221524079, 664572237]

約数ペア:

[(1, 664572237), (3, 221524079), (7, 94938891), (21, 31646297), (109, 6096993), (227, 2927631), (327, 2032331), (681, 975877), (763, 870999), (1279, 519603), (1589, 418233), (2289, 290333), (3837, 173201), (4767, 139411), (8953, 74229), (24743, 26859)]