25704783

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 42398720

約数和(自身を除く): 16693937

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 103, 117, 237, 243, 309, 351, 711, 927, 1027, 1053, 1339, 2133, 2781, 3081, 3159, 4017, 6399, 8137, 8343, 9243, 12051, 19197, 24411, 25029, 27729, 36153, 73233, 83187, 105781, 108459, 219699, 249561, 317343, 325377, 659097, 952029, 1977291, 2856087, 8568261, 25704783]

約数ペア:

[(1, 25704783), (3, 8568261), (9, 2856087), (13, 1977291), (27, 952029), (39, 659097), (79, 325377), (81, 317343), (103, 249561), (117, 219699), (237, 108459), (243, 105781), (309, 83187), (351, 73233), (711, 36153), (927, 27729), (1027, 25029), (1053, 24411), (1339, 19197), (2133, 12051), (2781, 9243), (3081, 8343), (3159, 8137), (4017, 6399)]