28766787

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{2213}}^1$

素因数の和:2842

約数の個数: 16

約数和(自身を含む): 43925760

約数和(自身を除く): 15158973

約数列:

[1, 3, 7, 21, 619, 1857, 2213, 4333, 6639, 12999, 15491, 46473, 1369847, 4109541, 9588929, 28766787]

約数ペア:

[(1, 28766787), (3, 9588929), (7, 4109541), (21, 1369847), (619, 46473), (1857, 15491), (2213, 12999), (4333, 6639)]