2321215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 3135888

約数和(自身を除く): 814673

約数列:

[1, 5, 13, 41, 65, 67, 169, 205, 335, 533, 845, 871, 2665, 2747, 4355, 6929, 11323, 13735, 34645, 35711, 56615, 178555, 464243, 2321215]

約数ペア:

[(1, 2321215), (5, 464243), (13, 178555), (41, 56615), (65, 35711), (67, 34645), (169, 13735), (205, 11323), (335, 6929), (533, 4355), (845, 2747), (871, 2665)]