71287953

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1531}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 111186432

約数和(自身を除く): 39898479

約数列:

[1, 3, 11, 17, 33, 51, 83, 187, 249, 561, 913, 1411, 1531, 2739, 4233, 4593, 15521, 16841, 26027, 46563, 50523, 78081, 127073, 286297, 381219, 858891, 1397803, 2160241, 4193409, 6480723, 23762651, 71287953]

約数ペア:

[(1, 71287953), (3, 23762651), (11, 6480723), (17, 4193409), (33, 2160241), (51, 1397803), (83, 858891), (187, 381219), (249, 286297), (561, 127073), (913, 78081), (1411, 50523), (1531, 46563), (2739, 26027), (4233, 16841), (4593, 15521)]