28267137

素因数分解:

$3^4\times {\mathrm{461}}^1\times {\mathrm{757}}^1$

素因数の和:1230

約数の個数: 20

約数和(自身を含む): 42373716

約数和(自身を除く): 14106579

約数列:

[1, 3, 9, 27, 81, 461, 757, 1383, 2271, 4149, 6813, 12447, 20439, 37341, 61317, 348977, 1046931, 3140793, 9422379, 28267137]

約数ペア:

[(1, 28267137), (3, 9422379), (9, 3140793), (27, 1046931), (81, 348977), (461, 61317), (757, 37341), (1383, 20439), (2271, 12447), (4149, 6813)]