1262205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{4007}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 2500992

約数和(自身を除く): 1238787

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 4007, 12021, 20035, 28049, 36063, 60105, 84147, 140245, 180315, 252441, 420735, 1262205]

約数ペア:

[(1, 1262205), (3, 420735), (5, 252441), (7, 180315), (9, 140245), (15, 84147), (21, 60105), (35, 36063), (45, 28049), (63, 20035), (105, 12021), (315, 4007)]