80563203

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 143410176

約数和(自身を除く): 62846973

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 71, 83, 93, 147, 213, 217, 249, 279, 441, 497, 581, 639, 651, 747, 1491, 1519, 1743, 1953, 2201, 2573, 3479, 4067, 4473, 4557, 5229, 5893, 6603, 7719, 10437, 12201, 13671, 15407, 17679, 18011, 19809, 23157, 31311, 36603, 41251, 46221, 53037, 54033, 107849, 123753, 126077, 138663, 162099, 182683, 288757, 323547, 371259, 378231, 548049, 866271, 970641, 1134693, 1278781, 1644147, 2598813, 3836343, 8951467, 11509029, 26854401, 80563203]

約数ペア:

[(1, 80563203), (3, 26854401), (7, 11509029), (9, 8951467), (21, 3836343), (31, 2598813), (49, 1644147), (63, 1278781), (71, 1134693), (83, 970641), (93, 866271), (147, 548049), (213, 378231), (217, 371259), (249, 323547), (279, 288757), (441, 182683), (497, 162099), (581, 138663), (639, 126077), (651, 123753), (747, 107849), (1491, 54033), (1519, 53037), (1743, 46221), (1953, 41251), (2201, 36603), (2573, 31311), (3479, 23157), (4067, 19809), (4473, 18011), (4557, 17679), (5229, 15407), (5893, 13671), (6603, 12201), (7719, 10437)]