25485495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 49711104

約数和(自身を除く): 24225609

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 61, 69, 105, 115, 161, 173, 183, 305, 345, 427, 483, 519, 805, 865, 915, 1211, 1281, 1403, 2135, 2415, 2595, 3633, 3979, 4209, 6055, 6405, 7015, 9821, 10553, 11937, 18165, 19895, 21045, 27853, 29463, 31659, 49105, 52765, 59685, 73871, 83559, 139265, 147315, 158295, 221613, 242719, 369355, 417795, 728157, 1108065, 1213595, 1699033, 3640785, 5097099, 8495165, 25485495]

約数ペア:

[(1, 25485495), (3, 8495165), (5, 5097099), (7, 3640785), (15, 1699033), (21, 1213595), (23, 1108065), (35, 728157), (61, 417795), (69, 369355), (105, 242719), (115, 221613), (161, 158295), (173, 147315), (183, 139265), (305, 83559), (345, 73871), (427, 59685), (483, 52765), (519, 49105), (805, 31659), (865, 29463), (915, 27853), (1211, 21045), (1281, 19895), (1403, 18165), (2135, 11937), (2415, 10553), (2595, 9821), (3633, 7015), (3979, 6405), (4209, 6055)]