16620651

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{3491}}^1$

素因数の和:3543

約数の個数: 18

約数和(自身を含む): 25103988

約数和(自身を除く): 8483337

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 3491, 4761, 10473, 31419, 80293, 240879, 722637, 1846739, 5540217, 16620651]

約数ペア:

[(1, 16620651), (3, 5540217), (9, 1846739), (23, 722637), (69, 240879), (207, 80293), (529, 31419), (1587, 10473), (3491, 4761)]