2878629

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 4268544

約数和(自身を除く): 1389915

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 2381, 7143, 30953, 73811, 92859, 221433, 959543, 2878629]

約数ペア:

[(1, 2878629), (3, 959543), (13, 221433), (31, 92859), (39, 73811), (93, 30953), (403, 7143), (1209, 2381)]