90810279

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 159744000

約数和(自身を除く): 68933721

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 1029, 1127, 1279, 1449, 3087, 3381, 3837, 7889, 8953, 10143, 11511, 23667, 26859, 29417, 62671, 71001, 80577, 88251, 188013, 205919, 264753, 438697, 564039, 617757, 1316091, 1441433, 1853271, 3948273, 4324299, 10090031, 12972897, 30270093, 90810279]

約数ペア:

[(1, 90810279), (3, 30270093), (7, 12972897), (9, 10090031), (21, 4324299), (23, 3948273), (49, 1853271), (63, 1441433), (69, 1316091), (147, 617757), (161, 564039), (207, 438697), (343, 264753), (441, 205919), (483, 188013), (1029, 88251), (1127, 80577), (1279, 71001), (1449, 62671), (3087, 29417), (3381, 26859), (3837, 23667), (7889, 11511), (8953, 10143)]