3881215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 5267808

約数和(自身を除く): 1386593

約数列:

[1, 5, 13, 29, 65, 71, 145, 355, 377, 841, 923, 1885, 2059, 4205, 4615, 10295, 10933, 26767, 54665, 59711, 133835, 298555, 776243, 3881215]

約数ペア:

[(1, 3881215), (5, 776243), (13, 298555), (29, 133835), (65, 59711), (71, 54665), (145, 26767), (355, 10933), (377, 10295), (841, 4615), (923, 4205), (1885, 2059)]