7881315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3109}}^1$

素因数の和:3143

約数の個数: 24

約数和(自身を含む): 13659120

約数和(自身を除く): 5777805

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 3109, 9327, 15545, 40417, 46635, 121251, 202085, 525421, 606255, 1576263, 2627105, 7881315]

約数ペア:

[(1, 7881315), (3, 2627105), (5, 1576263), (13, 606255), (15, 525421), (39, 202085), (65, 121251), (169, 46635), (195, 40417), (507, 15545), (845, 9327), (2535, 3109)]