42779373

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 70560000

約数和(自身を除く): 27780627

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 349, 449, 1047, 1347, 2443, 3143, 4537, 5837, 7329, 9429, 13611, 17511, 31759, 40859, 95277, 122577, 156701, 470103, 1096907, 2037113, 3290721, 6111339, 14259791, 42779373]

約数ペア:

[(1, 42779373), (3, 14259791), (7, 6111339), (13, 3290721), (21, 2037113), (39, 1096907), (91, 470103), (273, 156701), (349, 122577), (449, 95277), (1047, 40859), (1347, 31759), (2443, 17511), (3143, 13611), (4537, 9429), (5837, 7329)]