128748291

素因数分解:

$3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{15443}}^1$

素因数の和:15850

約数の個数: 16

約数和(自身を含む): 196694784

約数和(自身を除く): 67946493

約数列:

[1, 3, 7, 21, 397, 1191, 2779, 8337, 15443, 46329, 108101, 324303, 6130871, 18392613, 42916097, 128748291]

約数ペア:

[(1, 128748291), (3, 42916097), (7, 18392613), (21, 6130871), (397, 324303), (1191, 108101), (2779, 46329), (8337, 15443)]