28938075

素因数分解:

$3^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{1601}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 48072816

約数和(自身を除く): 19134741

約数列:

[1, 3, 5, 15, 25, 75, 241, 723, 1205, 1601, 3615, 4803, 6025, 8005, 18075, 24015, 40025, 120075, 385841, 1157523, 1929205, 5787615, 9646025, 28938075]

約数ペア:

[(1, 28938075), (3, 9646025), (5, 5787615), (15, 1929205), (25, 1157523), (75, 385841), (241, 120075), (723, 40025), (1205, 24015), (1601, 18075), (3615, 8005), (4803, 6025)]