64597491

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2557}}^1$

素因数の和:2971

約数の個数: 24

約数和(自身を含む): 106944864

約数和(自身を除く): 42347373

約数列:

[1, 3, 7, 9, 21, 63, 401, 1203, 2557, 2807, 3609, 7671, 8421, 17899, 23013, 25263, 53697, 161091, 1025357, 3076071, 7177499, 9228213, 21532497, 64597491]

約数ペア:

[(1, 64597491), (3, 21532497), (7, 9228213), (9, 7177499), (21, 3076071), (63, 1025357), (401, 161091), (1203, 53697), (2557, 25263), (2807, 23013), (3609, 17899), (7671, 8421)]