209125575

素因数分解:

$3^2\times 5^2\times {\mathrm{787}}^1\times {\mathrm{1181}}^1$

素因数の和:1984

約数の個数: 36

約数和(自身を含む): 375360648

約数和(自身を除く): 166235073

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 787, 1181, 2361, 3543, 3935, 5905, 7083, 10629, 11805, 17715, 19675, 29525, 35415, 53145, 59025, 88575, 177075, 265725, 929447, 2788341, 4647235, 8365023, 13941705, 23236175, 41825115, 69708525, 209125575]

約数ペア:

[(1, 209125575), (3, 69708525), (5, 41825115), (9, 23236175), (15, 13941705), (25, 8365023), (45, 4647235), (75, 2788341), (225, 929447), (787, 265725), (1181, 177075), (2361, 88575), (3543, 59025), (3935, 53145), (5905, 35415), (7083, 29525), (10629, 19675), (11805, 17715)]