78187239

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21557}}^1$

素因数の和:21607

約数の個数: 24

約数和(自身を含む): 125553792

約数和(自身を除く): 47366553

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 21557, 64671, 194013, 280241, 668267, 840723, 2004801, 2522169, 6014403, 8687471, 26062413, 78187239]

約数ペア:

[(1, 78187239), (3, 26062413), (9, 8687471), (13, 6014403), (31, 2522169), (39, 2004801), (93, 840723), (117, 668267), (279, 280241), (403, 194013), (1209, 64671), (3627, 21557)]