78747123

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4889}}^1$

素因数の和:4971

約数の個数: 32

約数和(自身を含む): 131443200

約数和(自身を除く): 52696077

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1239, 2301, 4889, 5369, 14667, 16107, 34223, 63557, 102669, 190671, 288451, 444899, 865353, 1334697, 2019157, 3749863, 6057471, 11249589, 26249041, 78747123]

約数ペア:

[(1, 78747123), (3, 26249041), (7, 11249589), (13, 6057471), (21, 3749863), (39, 2019157), (59, 1334697), (91, 865353), (177, 444899), (273, 288451), (413, 190671), (767, 102669), (1239, 63557), (2301, 34223), (4889, 16107), (5369, 14667)]