31132017

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3607}}^1$

素因数の和:3757

約数の個数: 24

約数和(自身を含む): 51782016

約数和(自身を除く): 20649999

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 3607, 8631, 10821, 25249, 32463, 75747, 227241, 494159, 1482477, 3459113, 4447431, 10377339, 31132017]

約数ペア:

[(1, 31132017), (3, 10377339), (7, 4447431), (9, 3459113), (21, 1482477), (63, 494159), (137, 227241), (411, 75747), (959, 32463), (1233, 25249), (2877, 10821), (3607, 8631)]