18561501

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 15652899

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 53, 63, 109, 119, 153, 159, 189, 327, 357, 371, 459, 477, 763, 901, 981, 1071, 1113, 1431, 1853, 2289, 2703, 2943, 3213, 3339, 5559, 5777, 6307, 6867, 8109, 10017, 12971, 16677, 17331, 18921, 20601, 24327, 38913, 40439, 50031, 51993, 56763, 98209, 116739, 121317, 155979, 170289, 294627, 350217, 363951, 687463, 883881, 1091853, 2062389, 2651643, 6187167, 18561501]

約数ペア:

[(1, 18561501), (3, 6187167), (7, 2651643), (9, 2062389), (17, 1091853), (21, 883881), (27, 687463), (51, 363951), (53, 350217), (63, 294627), (109, 170289), (119, 155979), (153, 121317), (159, 116739), (189, 98209), (327, 56763), (357, 51993), (371, 50031), (459, 40439), (477, 38913), (763, 24327), (901, 20601), (981, 18921), (1071, 17331), (1113, 16677), (1431, 12971), (1853, 10017), (2289, 8109), (2703, 6867), (2943, 6307), (3213, 5777), (3339, 5559)]