208790775

素因数分解:

$3^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{5693}}^1$

素因数の和:5872

約数の個数: 36

約数和(自身を含む): 376327848

約数和(自身を除く): 167537073

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 163, 225, 489, 815, 1467, 2445, 4075, 5693, 7335, 12225, 17079, 28465, 36675, 51237, 85395, 142325, 256185, 426975, 927959, 1280925, 2783877, 4639795, 8351631, 13919385, 23198975, 41758155, 69596925, 208790775]

約数ペア:

[(1, 208790775), (3, 69596925), (5, 41758155), (9, 23198975), (15, 13919385), (25, 8351631), (45, 4639795), (75, 2783877), (163, 1280925), (225, 927959), (489, 426975), (815, 256185), (1467, 142325), (2445, 85395), (4075, 51237), (5693, 36675), (7335, 28465), (12225, 17079)]