664673859

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{563}}^1\times {\mathrm{2791}}^1$

素因数の和:3407

約数の個数: 24

約数和(自身を含む): 982605312

約数和(自身を除く): 317931453

約数列:

[1, 3, 9, 47, 141, 423, 563, 1689, 2791, 5067, 8373, 25119, 26461, 79383, 131177, 238149, 393531, 1180593, 1571333, 4713999, 14141997, 73852651, 221557953, 664673859]

約数ペア:

[(1, 664673859), (3, 221557953), (9, 73852651), (47, 14141997), (141, 4713999), (423, 1571333), (563, 1180593), (1689, 393531), (2791, 238149), (5067, 131177), (8373, 79383), (25119, 26461)]