28502307

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{6991}}^1$

素因数の和:7151

約数の個数: 16

約数和(自身を含む): 42511360

約数和(自身を除く): 14009053

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 6991, 20973, 62919, 188757, 1055641, 3166923, 9500769, 28502307]

約数ペア:

[(1, 28502307), (3, 9500769), (9, 3166923), (27, 1055641), (151, 188757), (453, 62919), (1359, 20973), (4077, 6991)]