1990456767

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{10181}}^1$

素因数の和:10760

約数の個数: 32

約数和(自身を含む): 3181671360

約数和(自身を除く): 1191214593

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 557, 1671, 5013, 7241, 10181, 15039, 21723, 30543, 65169, 91629, 132353, 195507, 274887, 397059, 1191177, 3573531, 5670817, 17012451, 51037353, 73720621, 153112059, 221161863, 663485589, 1990456767]

約数ペア:

[(1, 1990456767), (3, 663485589), (9, 221161863), (13, 153112059), (27, 73720621), (39, 51037353), (117, 17012451), (351, 5670817), (557, 3573531), (1671, 1191177), (5013, 397059), (7241, 274887), (10181, 195507), (15039, 132353), (21723, 91629), (30543, 65169)]