19870754427

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53850283}}^1$

素因数の和:53850330

約数の個数: 12

約数和(自身を含む): 29402255064

約数和(自身を除く): 9531500637

約数列:

[1, 3, 9, 41, 123, 369, 53850283, 161550849, 484652547, 2207861603, 6623584809, 19870754427]

約数ペア:

[(1, 19870754427), (3, 6623584809), (9, 2207861603), (41, 484652547), (123, 161550849), (369, 53850283)]