661057917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{112253}}^1$

素因数の和:112420

約数の個数: 16

約数和(自身を含む): 955506048

約数和(自身を除く): 294448131

約数列:

[1, 3, 13, 39, 151, 453, 1963, 5889, 112253, 336759, 1459289, 4377867, 16950203, 50850609, 220352639, 661057917]

約数ペア:

[(1, 661057917), (3, 220352639), (13, 50850609), (39, 16950203), (151, 4377867), (453, 1459289), (1963, 336759), (5889, 112253)]