129409891

素因数分解:

${\mathrm{13}}^4\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 20

約数和(自身を含む): 147031632

約数和(自身を除く): 17621741

約数列:

[1, 13, 23, 169, 197, 299, 2197, 2561, 3887, 4531, 28561, 33293, 50531, 58903, 432809, 656903, 765739, 5626517, 9954607, 129409891]

約数ペア:

[(1, 129409891), (13, 9954607), (23, 5626517), (169, 765739), (197, 656903), (299, 432809), (2197, 58903), (2561, 50531), (3887, 33293), (4531, 28561)]