257435901

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{9901}}^1$

素因数の和:10023

約数の個数: 24

約数和(自身を含む): 389267424

約数和(自身を除く): 131831523

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 963, 2889, 8667, 9901, 26001, 29703, 89109, 267327, 801981, 1059407, 2405943, 3178221, 9534663, 28603989, 85811967, 257435901]

約数ペア:

[(1, 257435901), (3, 85811967), (9, 28603989), (27, 9534663), (81, 3178221), (107, 2405943), (243, 1059407), (321, 801981), (963, 267327), (2889, 89109), (8667, 29703), (9901, 26001)]