289489905

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{46957}}^1$

素因数の和:47105

約数の個数: 24

約数和(自身を含む): 505455912

約数和(自身を除く): 215966007

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 46957, 140871, 234785, 422613, 704355, 2113065, 6433109, 19299327, 32165545, 57897981, 96496635, 289489905]

約数ペア:

[(1, 289489905), (3, 96496635), (5, 57897981), (9, 32165545), (15, 19299327), (45, 6433109), (137, 2113065), (411, 704355), (685, 422613), (1233, 234785), (2055, 140871), (6165, 46957)]