209901825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{133271}}^1$

素因数の和:133294

約数の個数: 36

約数和(自身を含む): 429668928

約数和(自身を除く): 219767103

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 133271, 399813, 666355, 932897, 1199439, 1999065, 2798691, 3331775, 4664485, 5997195, 8396073, 9995325, 13993455, 23322425, 29985975, 41980365, 69967275, 209901825]

約数ペア:

[(1, 209901825), (3, 69967275), (5, 41980365), (7, 29985975), (9, 23322425), (15, 13993455), (21, 9995325), (25, 8396073), (35, 5997195), (45, 4664485), (63, 3331775), (75, 2798691), (105, 1999065), (175, 1199439), (225, 932897), (315, 666355), (525, 399813), (1575, 133271)]