20121793912467

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{171981144551}}^1$

素因数の和:171981144570

約数の個数: 12

約数和(自身を含む): 31300568308464

約数和(自身を除く): 11178774395997

約数列:

[1, 3, 9, 13, 39, 117, 171981144551, 515943433653, 1547830300959, 2235754879163, 6707264637489, 20121793912467]

約数ペア:

[(1, 20121793912467), (3, 6707264637489), (9, 2235754879163), (13, 1547830300959), (39, 515943433653), (117, 171981144551)]