30907513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19979}}^1$

素因数の和:20016

約数の個数: 16

約数和(自身を含む): 40279680

約数和(自身を除く): 9372167

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 19979, 139853, 259727, 339643, 1818089, 2377501, 4415359, 30907513]

約数ペア:

[(1, 30907513), (7, 4415359), (13, 2377501), (17, 1818089), (91, 339643), (119, 259727), (221, 139853), (1547, 19979)]