3988755

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 6975072

約数和(自身を除く): 2986317

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 647, 685, 1233, 1941, 2055, 3235, 5823, 6165, 9705, 29115, 88639, 265917, 443195, 797751, 1329585, 3988755]

約数ペア:

[(1, 3988755), (3, 1329585), (5, 797751), (9, 443195), (15, 265917), (45, 88639), (137, 29115), (411, 9705), (647, 6165), (685, 5823), (1233, 3235), (1941, 2055)]