129713829

素因数分解:

$3^1\times 7^2\times {\mathrm{691}}^1\times {\mathrm{1277}}^1$

素因数の和:1985

約数の個数: 24

約数和(自身を含む): 201637728

約数和(自身を除く): 71923899

約数列:

[1, 3, 7, 21, 49, 147, 691, 1277, 2073, 3831, 4837, 8939, 14511, 26817, 33859, 62573, 101577, 187719, 882407, 2647221, 6176849, 18530547, 43237943, 129713829]

約数ペア:

[(1, 129713829), (3, 43237943), (7, 18530547), (21, 6176849), (49, 2647221), (147, 882407), (691, 187719), (1277, 101577), (2073, 62573), (3831, 33859), (4837, 26817), (8939, 14511)]