211991607

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{10079}}^1$

素因数の和:10148

約数の個数: 32

約数和(自身を含む): 338688000

約数和(自身を除く): 126696393

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 1107, 2337, 7011, 10079, 21033, 30237, 90711, 191501, 272133, 413239, 574503, 1239717, 1723509, 3719151, 5170527, 7851541, 11157453, 23554623, 70663869, 211991607]

約数ペア:

[(1, 211991607), (3, 70663869), (9, 23554623), (19, 11157453), (27, 7851541), (41, 5170527), (57, 3719151), (123, 1723509), (171, 1239717), (369, 574503), (513, 413239), (779, 272133), (1107, 191501), (2337, 90711), (7011, 30237), (10079, 21033)]