31810961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20563}}^1$

素因数の和:20600

約数の個数: 16

約数和(自身を含む): 41457024

約数和(自身を除く): 9646063

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 20563, 143941, 267319, 349571, 1871233, 2446997, 4544423, 31810961]

約数ペア:

[(1, 31810961), (7, 4544423), (13, 2446997), (17, 1871233), (91, 349571), (119, 267319), (221, 143941), (1547, 20563)]