215879961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{10111}}^1$

素因数の和:10772

約数の個数: 16

約数和(自身を含む): 314523648

約数和(自身を除く): 98643687

約数列:

[1, 3, 11, 33, 647, 1941, 7117, 10111, 21351, 30333, 111221, 333663, 6541817, 19625451, 71959987, 215879961]

約数ペア:

[(1, 215879961), (3, 71959987), (11, 19625451), (33, 6541817), (647, 333663), (1941, 111221), (7117, 30333), (10111, 21351)]