90215937

素因数分解:

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

素因数の和:182

約数の個数: 64

約数和(自身を含む): 158699520

約数和(自身を除く): 68483583

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 83, 189, 213, 243, 249, 497, 567, 581, 639, 729, 747, 1491, 1701, 1743, 1917, 2187, 2241, 4473, 5103, 5229, 5751, 5893, 6723, 13419, 15309, 15687, 17253, 17679, 20169, 40257, 41251, 47061, 51759, 53037, 60507, 120771, 123753, 141183, 155277, 159111, 181521, 362313, 371259, 423549, 477333, 1086939, 1113777, 1270647, 1431999, 3341331, 4295997, 10023993, 12887991, 30071979, 90215937]

約数ペア:

[(1, 90215937), (3, 30071979), (7, 12887991), (9, 10023993), (21, 4295997), (27, 3341331), (63, 1431999), (71, 1270647), (81, 1113777), (83, 1086939), (189, 477333), (213, 423549), (243, 371259), (249, 362313), (497, 181521), (567, 159111), (581, 155277), (639, 141183), (729, 123753), (747, 120771), (1491, 60507), (1701, 53037), (1743, 51759), (1917, 47061), (2187, 41251), (2241, 40257), (4473, 20169), (5103, 17679), (5229, 17253), (5751, 15687), (5893, 15309), (6723, 13419)]