272097

素因数分解:

$3^2\times 7^2\times {\mathrm{617}}^1$

素因数の和:637

約数の個数: 18

約数和(自身を含む): 457938

約数和(自身を除く): 185841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 617, 1851, 4319, 5553, 12957, 30233, 38871, 90699, 272097]

約数ペア:

[(1, 272097), (3, 90699), (7, 38871), (9, 30233), (21, 12957), (49, 5553), (63, 4319), (147, 1851), (441, 617)]