2886639

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 4555440

約数和(自身を除く): 1668801

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 269, 511, 807, 1533, 1883, 3577, 5649, 10731, 13181, 19637, 39543, 58911, 137459, 412377, 962213, 2886639]

約数ペア:

[(1, 2886639), (3, 962213), (7, 412377), (21, 137459), (49, 58911), (73, 39543), (147, 19637), (219, 13181), (269, 10731), (511, 5649), (807, 3577), (1533, 1883)]