39912939

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 68521600

約数和(自身を除く): 28608661

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 363, 513, 627, 643, 1089, 1881, 1929, 2299, 3267, 5643, 5787, 6897, 7073, 12217, 17361, 20691, 21219, 36651, 62073, 63657, 77803, 109953, 134387, 190971, 233409, 329859, 403161, 700227, 1209483, 1478257, 2100681, 3628449, 4434771, 13304313, 39912939]

約数ペア:

[(1, 39912939), (3, 13304313), (9, 4434771), (11, 3628449), (19, 2100681), (27, 1478257), (33, 1209483), (57, 700227), (99, 403161), (121, 329859), (171, 233409), (209, 190971), (297, 134387), (363, 109953), (513, 77803), (627, 63657), (643, 62073), (1089, 36651), (1881, 21219), (1929, 20691), (2299, 17361), (3267, 12217), (5643, 7073), (5787, 6897)]