28913907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2207}}^1$

素因数の和:2618

約数の個数: 16

約数和(自身を含む): 42181632

約数和(自身を除く): 13267725

約数列:

[1, 3, 11, 33, 397, 1191, 2207, 4367, 6621, 13101, 24277, 72831, 876179, 2628537, 9637969, 28913907]

約数ペア:

[(1, 28913907), (3, 9637969), (11, 2628537), (33, 876179), (397, 72831), (1191, 24277), (2207, 13101), (4367, 6621)]