221560921

素因数分解:

${\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 231889680

約数和(自身を除く): 10328759

約数列:

[1, 37, 109, 137, 401, 4033, 5069, 14837, 14933, 43709, 54937, 552521, 1617233, 2032669, 5988133, 221560921]

約数ペア:

[(1, 221560921), (37, 5988133), (109, 2032669), (137, 1617233), (401, 552521), (4033, 54937), (5069, 43709), (14837, 14933)]