12685953

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 19817760

約数和(自身を除く): 7131807

約数列:

[1, 3, 7, 21, 49, 147, 211, 409, 633, 1227, 1477, 2863, 4431, 8589, 10339, 20041, 31017, 60123, 86299, 258897, 604093, 1812279, 4228651, 12685953]

約数ペア:

[(1, 12685953), (3, 4228651), (7, 1812279), (21, 604093), (49, 258897), (147, 86299), (211, 60123), (409, 31017), (633, 20041), (1227, 10339), (1477, 8589), (2863, 4431)]