209649975

素因数分解:

$3^1\times 5^2\times {\mathrm{677}}^1\times {\mathrm{4129}}^1$

素因数の和:4819

約数の個数: 24

約数和(自身を含む): 347217360

約数和(自身を除く): 137567385

約数列:

[1, 3, 5, 15, 25, 75, 677, 2031, 3385, 4129, 10155, 12387, 16925, 20645, 50775, 61935, 103225, 309675, 2795333, 8385999, 13976665, 41929995, 69883325, 209649975]

約数ペア:

[(1, 209649975), (3, 69883325), (5, 41929995), (15, 13976665), (25, 8385999), (75, 2795333), (677, 309675), (2031, 103225), (3385, 61935), (4129, 50775), (10155, 20645), (12387, 16925)]