648021225

素因数分解:

$3^1\times 5^2\times {\mathrm{631}}^1\times {\mathrm{13693}}^1$

素因数の和:14337

約数の個数: 24

約数和(自身を含む): 1073171392

約数和(自身を除く): 425150167

約数列:

[1, 3, 5, 15, 25, 75, 631, 1893, 3155, 9465, 13693, 15775, 41079, 47325, 68465, 205395, 342325, 1026975, 8640283, 25920849, 43201415, 129604245, 216007075, 648021225]

約数ペア:

[(1, 648021225), (3, 216007075), (5, 129604245), (15, 43201415), (25, 25920849), (75, 8640283), (631, 1026975), (1893, 342325), (3155, 205395), (9465, 68465), (13693, 47325), (15775, 41079)]