7931889

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 13203840

約数和(自身を除く): 5271951

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 919, 959, 1233, 2757, 2877, 6433, 8271, 8631, 19299, 57897, 125903, 377709, 881321, 1133127, 2643963, 7931889]

約数ペア:

[(1, 7931889), (3, 2643963), (7, 1133127), (9, 881321), (21, 377709), (63, 125903), (137, 57897), (411, 19299), (919, 8631), (959, 8271), (1233, 6433), (2757, 2877)]