201326481

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{1693}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 296592296

約数和(自身を除く): 95265815

約数列:

[1, 3, 9, 73, 181, 219, 543, 657, 1629, 1693, 5079, 13213, 15237, 39639, 118917, 123589, 306433, 370767, 919299, 1112301, 2757897, 22369609, 67108827, 201326481]

約数ペア:

[(1, 201326481), (3, 67108827), (9, 22369609), (73, 2757897), (181, 1112301), (219, 919299), (543, 370767), (657, 306433), (1629, 123589), (1693, 118917), (5079, 39639), (13213, 15237)]