125742015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{399181}}^1$

素因数の和:399199

約数の個数: 24

約数和(自身を含む): 249089568

約数和(自身を除く): 123347553

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 399181, 1197543, 1995905, 2794267, 3592629, 5987715, 8382801, 13971335, 17963145, 25148403, 41914005, 125742015]

約数ペア:

[(1, 125742015), (3, 41914005), (5, 25148403), (7, 17963145), (9, 13971335), (15, 8382801), (21, 5987715), (35, 3592629), (45, 2794267), (63, 1995905), (105, 1197543), (315, 399181)]