263790891

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1063}}^1$

素因数の和:1193

約数の個数: 64

約数和(自身を含む): 486205440

約数和(自身を除く): 222414549

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 101, 117, 189, 273, 303, 351, 707, 819, 909, 1063, 1313, 2121, 2457, 2727, 3189, 3939, 6363, 7441, 9191, 9567, 11817, 13819, 19089, 22323, 27573, 28701, 35451, 41457, 66969, 82719, 96733, 107363, 124371, 200907, 248157, 290199, 322089, 373113, 751541, 870597, 966267, 1395719, 2254623, 2611791, 2898801, 4187157, 6763869, 9770033, 12561471, 20291607, 29310099, 37684413, 87930297, 263790891]

約数ペア:

[(1, 263790891), (3, 87930297), (7, 37684413), (9, 29310099), (13, 20291607), (21, 12561471), (27, 9770033), (39, 6763869), (63, 4187157), (91, 2898801), (101, 2611791), (117, 2254623), (189, 1395719), (273, 966267), (303, 870597), (351, 751541), (707, 373113), (819, 322089), (909, 290199), (1063, 248157), (1313, 200907), (2121, 124371), (2457, 107363), (2727, 96733), (3189, 82719), (3939, 66969), (6363, 41457), (7441, 35451), (9191, 28701), (9567, 27573), (11817, 22323), (13819, 19089)]