291265281

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{161009}}^1$

素因数の和:161085

約数の個数: 16

約数和(自身を含む): 437947200

約数和(自身を除く): 146681919

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 161009, 483027, 1449081, 4347243, 10787603, 32362809, 97088427, 291265281]

約数ペア:

[(1, 291265281), (3, 97088427), (9, 32362809), (27, 10787603), (67, 4347243), (201, 1449081), (603, 483027), (1809, 161009)]