1291267947

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{1663}}^1\times {\mathrm{4243}}^1$

素因数の和:5970

約数の個数: 16

約数和(自身を含む): 1751379968

約数和(自身を除く): 460112021

約数列:

[1, 3, 61, 183, 1663, 4243, 4989, 12729, 101443, 258823, 304329, 776469, 7056109, 21168327, 430422649, 1291267947]

約数ペア:

[(1, 1291267947), (3, 430422649), (61, 21168327), (183, 7056109), (1663, 776469), (4243, 304329), (4989, 258823), (12729, 101443)]