25959465

素因数分解:

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

素因数の和:279

約数の個数: 72

約数和(自身を含む): 53476488

約数和(自身を除く): 27517023

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 61, 63, 105, 147, 183, 193, 245, 305, 315, 427, 441, 549, 579, 735, 915, 965, 1281, 1351, 1737, 2135, 2205, 2745, 2895, 2989, 3843, 4053, 6405, 6755, 8685, 8967, 9457, 11773, 12159, 14945, 19215, 20265, 26901, 28371, 35319, 44835, 47285, 58865, 60795, 82411, 85113, 105957, 134505, 141855, 176595, 247233, 412055, 425565, 529785, 576877, 741699, 1236165, 1730631, 2884385, 3708495, 5191893, 8653155, 25959465]

約数ペア:

[(1, 25959465), (3, 8653155), (5, 5191893), (7, 3708495), (9, 2884385), (15, 1730631), (21, 1236165), (35, 741699), (45, 576877), (49, 529785), (61, 425565), (63, 412055), (105, 247233), (147, 176595), (183, 141855), (193, 134505), (245, 105957), (305, 85113), (315, 82411), (427, 60795), (441, 58865), (549, 47285), (579, 44835), (735, 35319), (915, 28371), (965, 26901), (1281, 20265), (1351, 19215), (1737, 14945), (2135, 12159), (2205, 11773), (2745, 9457), (2895, 8967), (2989, 8685), (3843, 6755), (4053, 6405)]