211999491

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1033}}^1$

素因数の和:1744

約数の個数: 32

約数和(自身を含む): 343453440

約数和(自身を除く): 131453949

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 691, 1033, 2073, 3099, 6219, 7601, 9297, 11363, 18657, 22803, 27891, 34089, 68409, 102267, 205227, 306801, 713803, 2141409, 6424227, 7851833, 19272681, 23555499, 70666497, 211999491]

約数ペア:

[(1, 211999491), (3, 70666497), (9, 23555499), (11, 19272681), (27, 7851833), (33, 6424227), (99, 2141409), (297, 713803), (691, 306801), (1033, 205227), (2073, 102267), (3099, 68409), (6219, 34089), (7601, 27891), (9297, 22803), (11363, 18657)]