860391

素因数分解:

$3^2\times 7^2\times {\mathrm{1951}}^1$

素因数の和:1971

約数の個数: 18

約数和(自身を含む): 1446432

約数和(自身を除く): 586041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1951, 5853, 13657, 17559, 40971, 95599, 122913, 286797, 860391]

約数ペア:

[(1, 860391), (3, 286797), (7, 122913), (9, 95599), (21, 40971), (49, 17559), (63, 13657), (147, 5853), (441, 1951)]