864825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 1541568

約数和(自身を除く): 676743

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 887, 975, 2661, 4435, 11531, 13305, 22175, 34593, 57655, 66525, 172965, 288275, 864825]

約数ペア:

[(1, 864825), (3, 288275), (5, 172965), (13, 66525), (15, 57655), (25, 34593), (39, 22175), (65, 13305), (75, 11531), (195, 4435), (325, 2661), (887, 975)]