221231621

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{3511}}^1$

素因数の和:3692

約数の個数: 16

約数和(自身を含む): 246626688

約数和(自身を除く): 25395067

約数列:

[1, 13, 37, 131, 481, 1703, 3511, 4847, 45643, 63011, 129907, 459941, 1688791, 5979233, 17017817, 221231621]

約数ペア:

[(1, 221231621), (13, 17017817), (37, 5979233), (131, 1688791), (481, 459941), (1703, 129907), (3511, 63011), (4847, 45643)]