40686867

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{38639}}^1$

素因数の和:38664

約数の個数: 20

約数和(自身を含む): 65456160

約数和(自身を除く): 24769293

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 38639, 115917, 347751, 502307, 1043253, 1506921, 3129759, 4520763, 13562289, 40686867]

約数ペア:

[(1, 40686867), (3, 13562289), (9, 4520763), (13, 3129759), (27, 1506921), (39, 1043253), (81, 502307), (117, 347751), (351, 115917), (1053, 38639)]