20161008399

素因数分解:

$3^1\times 7^2\times {\mathrm{137149717}}^1$

素因数の和:137149734

約数の個数: 12

約数和(自身を含む): 31270135704

約数和(自身を除く): 11109127305

約数列:

[1, 3, 7, 21, 49, 147, 137149717, 411449151, 960048019, 2880144057, 6720336133, 20161008399]

約数ペア:

[(1, 20161008399), (3, 6720336133), (7, 2880144057), (21, 960048019), (49, 411449151), (147, 137149717)]