278888769117

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{11093}}^1$

素因数の和:11760

約数の個数: 96

約数和(自身を含む): 496982799360

約数和(自身を除く): 218094030243

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 613, 651, 837, 1323, 1519, 1839, 1953, 4291, 4557, 5517, 5859, 11093, 12873, 13671, 16551, 19003, 30037, 33279, 38619, 41013, 57009, 77651, 90111, 99837, 115857, 133021, 171027, 232953, 270333, 299511, 343883, 399063, 513081, 543557, 698859, 810999, 931147, 1031649, 1197189, 1630671, 2096577, 2407181, 2793441, 3094947, 3591567, 4892013, 6800009, 7221543, 8380323, 9284841, 14676039, 16850267, 20400027, 21664629, 25140969, 47600063, 50550801, 61200081, 64993887, 142800189, 151652403, 183600243, 210800279, 333200441, 428400567, 454957209, 632400837, 999601323, 1285201701, 1475601953, 1897202511, 2998803969, 4426805859, 5691607533, 8996411907, 10329213671, 13280417577, 30987641013, 39841252731, 92962923039, 278888769117]

約数ペア:

[(1, 278888769117), (3, 92962923039), (7, 39841252731), (9, 30987641013), (21, 13280417577), (27, 10329213671), (31, 8996411907), (49, 5691607533), (63, 4426805859), (93, 2998803969), (147, 1897202511), (189, 1475601953), (217, 1285201701), (279, 999601323), (441, 632400837), (613, 454957209), (651, 428400567), (837, 333200441), (1323, 210800279), (1519, 183600243), (1839, 151652403), (1953, 142800189), (4291, 64993887), (4557, 61200081), (5517, 50550801), (5859, 47600063), (11093, 25140969), (12873, 21664629), (13671, 20400027), (16551, 16850267), (19003, 14676039), (30037, 9284841), (33279, 8380323), (38619, 7221543), (41013, 6800009), (57009, 4892013), (77651, 3591567), (90111, 3094947), (99837, 2793441), (115857, 2407181), (133021, 2096577), (171027, 1630671), (232953, 1197189), (270333, 1031649), (299511, 931147), (343883, 810999), (399063, 698859), (513081, 543557)]