161887257

素因数分解:

$3^2\times 7^1\times {\mathrm{887}}^1\times {\mathrm{2897}}^1$

素因数の和:3797

約数の個数: 24

約数和(自身を含む): 267636096

約数和(自身を除く): 105748839

約数列:

[1, 3, 7, 9, 21, 63, 887, 2661, 2897, 6209, 7983, 8691, 18627, 20279, 26073, 55881, 60837, 182511, 2569639, 7708917, 17987473, 23126751, 53962419, 161887257]

約数ペア:

[(1, 161887257), (3, 53962419), (7, 23126751), (9, 17987473), (21, 7708917), (63, 2569639), (887, 182511), (2661, 60837), (2897, 55881), (6209, 26073), (7983, 20279), (8691, 18627)]