220141881

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{87671}}^1$

素因数の和:87714

約数の個数: 20

約数和(自身を含む): 339465984

約数和(自身を除く): 119324103

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 87671, 263013, 789039, 2367117, 2717801, 7101351, 8153403, 24460209, 73380627, 220141881]

約数ペア:

[(1, 220141881), (3, 73380627), (9, 24460209), (27, 8153403), (31, 7101351), (81, 2717801), (93, 2367117), (279, 789039), (837, 263013), (2511, 87671)]