161497719

素因数分解:

$3^4\times {\mathrm{619}}^1\times {\mathrm{3221}}^1$

素因数の和:3852

約数の個数: 20

約数和(自身を含む): 241714440

約数和(自身を除く): 80216721

約数列:

[1, 3, 9, 27, 81, 619, 1857, 3221, 5571, 9663, 16713, 28989, 50139, 86967, 260901, 1993799, 5981397, 17944191, 53832573, 161497719]

約数ペア:

[(1, 161497719), (3, 53832573), (9, 17944191), (27, 5981397), (81, 1993799), (619, 260901), (1857, 86967), (3221, 50139), (5571, 28989), (9663, 16713)]