18141507

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 27162096

約数和(自身を除く): 9020589

約数列:

[1, 3, 9, 37, 111, 157, 333, 347, 471, 1041, 1413, 3123, 5809, 12839, 17427, 38517, 52281, 54479, 115551, 163437, 490311, 2015723, 6047169, 18141507]

約数ペア:

[(1, 18141507), (3, 6047169), (9, 2015723), (37, 490311), (111, 163437), (157, 115551), (333, 54479), (347, 52281), (471, 38517), (1041, 17427), (1413, 12839), (3123, 5809)]