81360279

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 159178656

約数和(自身を除く): 77818377

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 121, 143, 231, 273, 363, 429, 693, 819, 821, 847, 1001, 1089, 1287, 1573, 2463, 2541, 3003, 4719, 5747, 7389, 7623, 9009, 9031, 10673, 11011, 14157, 17241, 27093, 32019, 33033, 51723, 63217, 74711, 81279, 96057, 99099, 99341, 117403, 189651, 224133, 298023, 352209, 568953, 672399, 695387, 821821, 894069, 1056627, 1291433, 2086161, 2465463, 3874299, 6258483, 7396389, 9040031, 11622897, 27120093, 81360279]

約数ペア:

[(1, 81360279), (3, 27120093), (7, 11622897), (9, 9040031), (11, 7396389), (13, 6258483), (21, 3874299), (33, 2465463), (39, 2086161), (63, 1291433), (77, 1056627), (91, 894069), (99, 821821), (117, 695387), (121, 672399), (143, 568953), (231, 352209), (273, 298023), (363, 224133), (429, 189651), (693, 117403), (819, 99341), (821, 99099), (847, 96057), (1001, 81279), (1089, 74711), (1287, 63217), (1573, 51723), (2463, 33033), (2541, 32019), (3003, 27093), (4719, 17241), (5747, 14157), (7389, 11011), (7623, 10673), (9009, 9031)]