18542475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 38778272

約数和(自身を除く): 20235797

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 75, 105, 175, 183, 193, 225, 305, 315, 427, 525, 549, 579, 915, 965, 1281, 1351, 1525, 1575, 1737, 2135, 2745, 2895, 3843, 4053, 4575, 4825, 6405, 6755, 8685, 10675, 11773, 12159, 13725, 14475, 19215, 20265, 32025, 33775, 35319, 43425, 58865, 60795, 82411, 96075, 101325, 105957, 176595, 247233, 294325, 303975, 412055, 529785, 741699, 882975, 1236165, 2060275, 2648925, 3708495, 6180825, 18542475]

約数ペア:

[(1, 18542475), (3, 6180825), (5, 3708495), (7, 2648925), (9, 2060275), (15, 1236165), (21, 882975), (25, 741699), (35, 529785), (45, 412055), (61, 303975), (63, 294325), (75, 247233), (105, 176595), (175, 105957), (183, 101325), (193, 96075), (225, 82411), (305, 60795), (315, 58865), (427, 43425), (525, 35319), (549, 33775), (579, 32025), (915, 20265), (965, 19215), (1281, 14475), (1351, 13725), (1525, 12159), (1575, 11773), (1737, 10675), (2135, 8685), (2745, 6755), (2895, 6405), (3843, 4825), (4053, 4575)]