13237105

素因数分解:

$5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 18701928

約数和(自身を除く): 5464823

約数列:

[1, 5, 7, 35, 49, 97, 245, 485, 557, 679, 2785, 3395, 3899, 4753, 19495, 23765, 27293, 54029, 136465, 270145, 378203, 1891015, 2647421, 13237105]

約数ペア:

[(1, 13237105), (5, 2647421), (7, 1891015), (35, 378203), (49, 270145), (97, 136465), (245, 54029), (485, 27293), (557, 23765), (679, 19495), (2785, 4753), (3395, 3899)]