161031885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{219091}}^1$

素因数の和:219113

約数の個数: 24

約数和(自身を含む): 299717856

約数和(自身を除く): 138685971

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 219091, 657273, 1095455, 1533637, 3286365, 4600911, 7668185, 10735459, 23004555, 32206377, 53677295, 161031885]

約数ペア:

[(1, 161031885), (3, 53677295), (5, 32206377), (7, 23004555), (15, 10735459), (21, 7668185), (35, 4600911), (49, 3286365), (105, 1533637), (147, 1095455), (245, 657273), (735, 219091)]