12820185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{40699}}^1$

素因数の和:40717

約数の個数: 24

約数和(自身を含む): 25396800

約数和(自身を除く): 12576615

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 40699, 122097, 203495, 284893, 366291, 610485, 854679, 1424465, 1831455, 2564037, 4273395, 12820185]

約数ペア:

[(1, 12820185), (3, 4273395), (5, 2564037), (7, 1831455), (9, 1424465), (15, 854679), (21, 610485), (35, 366291), (45, 284893), (63, 203495), (105, 122097), (315, 40699)]