2089791

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 3527160

約数和(自身を除く): 1437369

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 101, 121, 171, 209, 303, 363, 627, 909, 1089, 1111, 1881, 1919, 2299, 3333, 5757, 6897, 9999, 12221, 17271, 20691, 21109, 36663, 63327, 109989, 189981, 232199, 696597, 2089791]

約数ペア:

[(1, 2089791), (3, 696597), (9, 232199), (11, 189981), (19, 109989), (33, 63327), (57, 36663), (99, 21109), (101, 20691), (121, 17271), (171, 12221), (209, 9999), (303, 6897), (363, 5757), (627, 3333), (909, 2299), (1089, 1919), (1111, 1881)]