30981167

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^2$

素因数の和:542

約数の個数: 12

約数和(自身を含む): 35966160

約数和(自身を除く): 4984993

約数列:

[1, 7, 89, 223, 623, 1561, 19847, 49729, 138929, 348103, 4425881, 30981167]

約数ペア:

[(1, 30981167), (7, 4425881), (89, 348103), (223, 138929), (623, 49729), (1561, 19847)]