42520257

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6857}}^1$

素因数の和:6929

約数の個数: 24

約数和(自身を含む): 67400424

約数和(自身を除く): 24880167

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 6857, 20571, 61713, 89141, 267423, 363421, 802269, 1090263, 3270789, 4724473, 14173419, 42520257]

約数ペア:

[(1, 42520257), (3, 14173419), (9, 4724473), (13, 3270789), (39, 1090263), (53, 802269), (117, 363421), (159, 267423), (477, 89141), (689, 61713), (2067, 20571), (6201, 6857)]