209976225

素因数分解:

$3^1\times 5^2\times {\mathrm{1409}}^1\times {\mathrm{1987}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 347581920

約数和(自身を除く): 137605695

約数列:

[1, 3, 5, 15, 25, 75, 1409, 1987, 4227, 5961, 7045, 9935, 21135, 29805, 35225, 49675, 105675, 149025, 2799683, 8399049, 13998415, 41995245, 69992075, 209976225]

約数ペア:

[(1, 209976225), (3, 69992075), (5, 41995245), (15, 13998415), (25, 8399049), (75, 2799683), (1409, 149025), (1987, 105675), (4227, 49675), (5961, 35225), (7045, 29805), (9935, 21135)]