7145919

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 12355200

約数和(自身を除く): 5209281

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 131, 171, 209, 261, 319, 393, 551, 627, 957, 1179, 1441, 1653, 1881, 2489, 2871, 3799, 4323, 4959, 6061, 7467, 11397, 12969, 18183, 22401, 27379, 34191, 41789, 54549, 72181, 82137, 125367, 216543, 246411, 376101, 649629, 793991, 2381973, 7145919]

約数ペア:

[(1, 7145919), (3, 2381973), (9, 793991), (11, 649629), (19, 376101), (29, 246411), (33, 216543), (57, 125367), (87, 82137), (99, 72181), (131, 54549), (171, 41789), (209, 34191), (261, 27379), (319, 22401), (393, 18183), (551, 12969), (627, 11397), (957, 7467), (1179, 6061), (1441, 4959), (1653, 4323), (1881, 3799), (2489, 2871)]