810765

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 1441440

約数和(自身を除く): 630675

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 419, 645, 1257, 1935, 2095, 3771, 6285, 18017, 18855, 54051, 90085, 162153, 270255, 810765]

約数ペア:

[(1, 810765), (3, 270255), (5, 162153), (9, 90085), (15, 54051), (43, 18855), (45, 18017), (129, 6285), (215, 3771), (387, 2095), (419, 1935), (645, 1257)]