1209879

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 24

約数和(自身を含む): 1941264

約数和(自身を除く): 731385

約数列:

[1, 3, 9, 11, 33, 99, 101, 121, 303, 363, 909, 1089, 1111, 1331, 3333, 3993, 9999, 11979, 12221, 36663, 109989, 134431, 403293, 1209879]

約数ペア:

[(1, 1209879), (3, 403293), (9, 134431), (11, 109989), (33, 36663), (99, 12221), (101, 11979), (121, 9999), (303, 3993), (363, 3333), (909, 1331), (1089, 1111)]