491631

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 768768

約数和(自身を除く): 277137

約数列:

[1, 3, 7, 21, 41, 123, 287, 571, 861, 1713, 3997, 11991, 23411, 70233, 163877, 491631]

約数ペア:

[(1, 491631), (3, 163877), (7, 70233), (21, 23411), (41, 11991), (123, 3997), (287, 1713), (571, 861)]