2908089

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 4596480

約数和(自身を除く): 1688391

約数列:

[1, 3, 9, 27, 37, 41, 71, 111, 123, 213, 333, 369, 639, 999, 1107, 1517, 1917, 2627, 2911, 4551, 7881, 8733, 13653, 23643, 26199, 40959, 70929, 78597, 107707, 323121, 969363, 2908089]

約数ペア:

[(1, 2908089), (3, 969363), (9, 323121), (27, 107707), (37, 78597), (41, 70929), (71, 40959), (111, 26199), (123, 23643), (213, 13653), (333, 8733), (369, 7881), (639, 4551), (999, 2911), (1107, 2627), (1517, 1917)]