25112619

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 20506581

約数列:

[1, 3, 7, 9, 21, 23, 27, 53, 63, 69, 109, 159, 161, 189, 207, 327, 371, 477, 483, 621, 763, 981, 1113, 1219, 1431, 1449, 2289, 2507, 2943, 3339, 3657, 4347, 5777, 6867, 7521, 8533, 10017, 10971, 17331, 17549, 20601, 22563, 25599, 32913, 40439, 51993, 52647, 67689, 76797, 121317, 132871, 155979, 157941, 230391, 363951, 398613, 473823, 930097, 1091853, 1195839, 2790291, 3587517, 8370873, 25112619]

約数ペア:

[(1, 25112619), (3, 8370873), (7, 3587517), (9, 2790291), (21, 1195839), (23, 1091853), (27, 930097), (53, 473823), (63, 398613), (69, 363951), (109, 230391), (159, 157941), (161, 155979), (189, 132871), (207, 121317), (327, 76797), (371, 67689), (477, 52647), (483, 51993), (621, 40439), (763, 32913), (981, 25599), (1113, 22563), (1219, 20601), (1431, 17549), (1449, 17331), (2289, 10971), (2507, 10017), (2943, 8533), (3339, 7521), (3657, 6867), (4347, 5777)]