201940907

素因数分解:

$7^4\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:736

約数の個数: 20

約数和(自身を含む): 237569616

約数和(自身を除く): 35628709

約数列:

[1, 7, 49, 151, 343, 557, 1057, 2401, 3899, 7399, 27293, 51793, 84107, 191051, 362551, 588749, 1337357, 4121243, 28848701, 201940907]

約数ペア:

[(1, 201940907), (7, 28848701), (49, 4121243), (151, 1337357), (343, 588749), (557, 362551), (1057, 191051), (2401, 84107), (3899, 51793), (7399, 27293)]