40163487

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21017}}^1$

素因数の和:21047

約数の個数: 24

約数和(自身を含む): 67089456

約数和(自身を除く): 26925969

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 21017, 63051, 147119, 273221, 441357, 819663, 1029833, 1912547, 3089499, 5737641, 13387829, 40163487]

約数ペア:

[(1, 40163487), (3, 13387829), (7, 5737641), (13, 3089499), (21, 1912547), (39, 1029833), (49, 819663), (91, 441357), (147, 273221), (273, 147119), (637, 63051), (1911, 21017)]