68821263

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 118809600

約数和(自身を除く): 49988337

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 139, 203, 261, 271, 417, 609, 813, 973, 1251, 1827, 1897, 2439, 2919, 4031, 5691, 7859, 8757, 12093, 17073, 23577, 28217, 36279, 37669, 55013, 70731, 84651, 113007, 165039, 253953, 263683, 339021, 495117, 791049, 1092401, 2373147, 3277203, 7646807, 9831609, 22940421, 68821263]

約数ペア:

[(1, 68821263), (3, 22940421), (7, 9831609), (9, 7646807), (21, 3277203), (29, 2373147), (63, 1092401), (87, 791049), (139, 495117), (203, 339021), (261, 263683), (271, 253953), (417, 165039), (609, 113007), (813, 84651), (973, 70731), (1251, 55013), (1827, 37669), (1897, 36279), (2439, 28217), (2919, 23577), (4031, 17073), (5691, 12093), (7859, 8757)]