64787931

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{20509}}^1$

素因数の和:20537

約数の個数: 24

約数和(自身を含む): 104518960

約数和(自身を除く): 39731029

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 20509, 61527, 184581, 266617, 553743, 799851, 1661229, 2399553, 4983687, 7198659, 21595977, 64787931]

約数ペア:

[(1, 64787931), (3, 21595977), (9, 7198659), (13, 4983687), (27, 2399553), (39, 1661229), (81, 799851), (117, 553743), (243, 266617), (351, 184581), (1053, 61527), (3159, 20509)]