1981239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 2923872

約数和(自身を除く): 942633

約数列:

[1, 3, 13, 37, 39, 111, 481, 1373, 1443, 4119, 17849, 50801, 53547, 152403, 660413, 1981239]

約数ペア:

[(1, 1981239), (3, 660413), (13, 152403), (37, 53547), (39, 50801), (111, 17849), (481, 4119), (1373, 1443)]