30090021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7639}}^1$

素因数の和:7756

約数の個数: 16

約数和(自身を含む): 43639680

約数和(自身を除く): 13549659

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 7639, 22917, 99307, 297921, 771539, 2314617, 10030007, 30090021]

約数ペア:

[(1, 30090021), (3, 10030007), (13, 2314617), (39, 771539), (101, 297921), (303, 99307), (1313, 22917), (3939, 7639)]