16416189

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:922

約数の個数: 20

約数和(自身を含む): 24633180

約数和(自身を除く): 8216991

約数列:

[1, 3, 9, 27, 81, 389, 521, 1167, 1563, 3501, 4689, 10503, 14067, 31509, 42201, 202669, 608007, 1824021, 5472063, 16416189]

約数ペア:

[(1, 16416189), (3, 5472063), (9, 1824021), (27, 608007), (81, 202669), (389, 42201), (521, 31509), (1167, 14067), (1563, 10503), (3501, 4689)]