42842205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 85348224

約数和(自身を除く): 42506019

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 277, 315, 491, 831, 1385, 1473, 1939, 2455, 2493, 3437, 4155, 4419, 5817, 7365, 9695, 10311, 12465, 17185, 17451, 22095, 29085, 30933, 51555, 87255, 136007, 154665, 408021, 680035, 952049, 1224063, 2040105, 2856147, 4760245, 6120315, 8568441, 14280735, 42842205]

約数ペア:

[(1, 42842205), (3, 14280735), (5, 8568441), (7, 6120315), (9, 4760245), (15, 2856147), (21, 2040105), (35, 1224063), (45, 952049), (63, 680035), (105, 408021), (277, 154665), (315, 136007), (491, 87255), (831, 51555), (1385, 30933), (1473, 29085), (1939, 22095), (2455, 17451), (2493, 17185), (3437, 12465), (4155, 10311), (4419, 9695), (5817, 7365)]