25351515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 52147200

約数和(自身を除く): 26795685

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 139, 189, 193, 315, 417, 579, 695, 945, 965, 973, 1251, 1351, 1737, 2085, 2895, 2919, 3753, 4053, 4865, 5211, 6255, 6755, 8685, 8757, 12159, 14595, 18765, 20265, 26055, 26271, 26827, 36477, 43785, 60795, 80481, 131355, 134135, 182385, 187789, 241443, 402405, 563367, 724329, 938945, 1207215, 1690101, 2816835, 3621645, 5070303, 8450505, 25351515]

約数ペア:

[(1, 25351515), (3, 8450505), (5, 5070303), (7, 3621645), (9, 2816835), (15, 1690101), (21, 1207215), (27, 938945), (35, 724329), (45, 563367), (63, 402405), (105, 241443), (135, 187789), (139, 182385), (189, 134135), (193, 131355), (315, 80481), (417, 60795), (579, 43785), (695, 36477), (945, 26827), (965, 26271), (973, 26055), (1251, 20265), (1351, 18765), (1737, 14595), (2085, 12159), (2895, 8757), (2919, 8685), (3753, 6755), (4053, 6255), (4865, 5211)]