71305731

素因数分解:

$3^3\times 7^2\times {\mathrm{53897}}^1$

素因数の和:53920

約数の個数: 24

約数和(自身を含む): 122887440

約数和(自身を除く): 51581709

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 53897, 161691, 377279, 485073, 1131837, 1455219, 2640953, 3395511, 7922859, 10186533, 23768577, 71305731]

約数ペア:

[(1, 71305731), (3, 23768577), (7, 10186533), (9, 7922859), (21, 3395511), (27, 2640953), (49, 1455219), (63, 1131837), (147, 485073), (189, 377279), (441, 161691), (1323, 53897)]