38799981

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 63947520

約数和(自身を除く): 25147539

約数列:

[1, 3, 9, 11, 33, 41, 79, 99, 121, 123, 237, 363, 369, 451, 711, 869, 1089, 1331, 1353, 2607, 3239, 3993, 4059, 4961, 7821, 9559, 9717, 11979, 14883, 28677, 29151, 35629, 44649, 54571, 86031, 105149, 106887, 163713, 315447, 320661, 391919, 491139, 946341, 1175757, 3527271, 4311109, 12933327, 38799981]

約数ペア:

[(1, 38799981), (3, 12933327), (9, 4311109), (11, 3527271), (33, 1175757), (41, 946341), (79, 491139), (99, 391919), (121, 320661), (123, 315447), (237, 163713), (363, 106887), (369, 105149), (451, 86031), (711, 54571), (869, 44649), (1089, 35629), (1331, 29151), (1353, 28677), (2607, 14883), (3239, 11979), (3993, 9717), (4059, 9559), (4961, 7821)]