64356885

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20143}}^1$

素因数の和:20225

約数の個数: 24

約数和(自身を含む): 113128704

約数和(自身を除く): 48771819

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 20143, 60429, 100715, 181287, 302145, 906435, 1430153, 4290459, 7150765, 12871377, 21452295, 64356885]

約数ペア:

[(1, 64356885), (3, 21452295), (5, 12871377), (9, 7150765), (15, 4290459), (45, 1430153), (71, 906435), (213, 302145), (355, 181287), (639, 100715), (1065, 60429), (3195, 20143)]