81901165

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{8353}}^1$

素因数の和:8448

約数の個数: 16

約数和(自身を含む): 102854448

約数和(自身を除く): 20953283

約数列:

[1, 5, 37, 53, 185, 265, 1961, 8353, 9805, 41765, 309061, 442709, 1545305, 2213545, 16380233, 81901165]

約数ペア:

[(1, 81901165), (5, 16380233), (37, 2213545), (53, 1545305), (185, 442709), (265, 309061), (1961, 41765), (8353, 9805)]