318255

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{433}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 593712

約数和(自身を除く): 275457

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 433, 735, 1299, 2165, 3031, 6495, 9093, 15155, 21217, 45465, 63651, 106085, 318255]

約数ペア:

[(1, 318255), (3, 106085), (5, 63651), (7, 45465), (15, 21217), (21, 15155), (35, 9093), (49, 6495), (105, 3031), (147, 2165), (245, 1299), (433, 735)]