255465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{811}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 506688

約数和(自身を除く): 251223

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 811, 2433, 4055, 5677, 7299, 12165, 17031, 28385, 36495, 51093, 85155, 255465]

約数ペア:

[(1, 255465), (3, 85155), (5, 51093), (7, 36495), (9, 28385), (15, 17031), (21, 12165), (35, 7299), (45, 5677), (63, 4055), (105, 2433), (315, 811)]