42640587

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47857}}^1$

素因数の和:47880

約数の個数: 20

約数和(自身を含む): 69489816

約数和(自身を除く): 26849229

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 47857, 143571, 430713, 526427, 1292139, 1579281, 3876417, 4737843, 14213529, 42640587]

約数ペア:

[(1, 42640587), (3, 14213529), (9, 4737843), (11, 3876417), (27, 1579281), (33, 1292139), (81, 526427), (99, 430713), (297, 143571), (891, 47857)]