1980154791

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151007}}^1$

素因数の和:151091

約数の個数: 24

約数和(自身を含む): 3015327744

約数和(自身を除く): 1035172953

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1457, 4371, 13113, 151007, 453021, 1359063, 4681217, 7097329, 14043651, 21291987, 42130953, 63875961, 220017199, 660051597, 1980154791]

約数ペア:

[(1, 1980154791), (3, 660051597), (9, 220017199), (31, 63875961), (47, 42130953), (93, 21291987), (141, 14043651), (279, 7097329), (423, 4681217), (1457, 1359063), (4371, 453021), (13113, 151007)]