9721959

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3511}}^1$

素因数の和:3598

約数の個数: 16

約数和(自身を含む): 14160384

約数和(自身を除く): 4438425

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 3511, 10533, 45643, 136929, 249281, 747843, 3240653, 9721959]

約数ペア:

[(1, 9721959), (3, 3240653), (13, 747843), (39, 249281), (71, 136929), (213, 45643), (923, 10533), (2769, 3511)]