25908105

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 42981120

約数和(自身を除く): 17073015

約数列:

[1, 3, 5, 15, 41, 103, 123, 205, 309, 409, 515, 615, 1227, 1545, 2045, 4223, 6135, 12669, 16769, 21115, 42127, 50307, 63345, 83845, 126381, 210635, 251535, 631905, 1727207, 5181621, 8636035, 25908105]

約数ペア:

[(1, 25908105), (3, 8636035), (5, 5181621), (15, 1727207), (41, 631905), (103, 251535), (123, 210635), (205, 126381), (309, 83845), (409, 63345), (515, 50307), (615, 42127), (1227, 21115), (1545, 16769), (2045, 12669), (4223, 6135)]