12920797863

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{2185151}}^1$

素因数の和:2185236

約数の個数: 20

約数和(自身を含む): 19565851008

約数和(自身を除く): 6645053145

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 2185151, 6555453, 19666359, 58999077, 159516023, 176997231, 478548069, 1435644207, 4306932621, 12920797863]

約数ペア:

[(1, 12920797863), (3, 4306932621), (9, 1435644207), (27, 478548069), (73, 176997231), (81, 159516023), (219, 58999077), (657, 19666359), (1971, 6555453), (5913, 2185151)]