201190185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{638699}}^1$

素因数の和:638717

約数の個数: 24

約数和(自身を含む): 398548800

約数和(自身を除く): 197358615

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 638699, 1916097, 3193495, 4470893, 5748291, 9580485, 13412679, 22354465, 28741455, 40238037, 67063395, 201190185]

約数ペア:

[(1, 201190185), (3, 67063395), (5, 40238037), (7, 28741455), (9, 22354465), (15, 13412679), (21, 9580485), (35, 5748291), (45, 4470893), (63, 3193495), (105, 1916097), (315, 638699)]