69657381

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 111993600

約数和(自身を除く): 42336219

約数列:

[1, 3, 9, 17, 27, 51, 79, 113, 153, 237, 289, 339, 459, 711, 867, 1017, 1343, 1921, 2133, 2601, 3051, 4029, 5763, 7803, 8927, 12087, 17289, 22831, 26781, 32657, 36261, 51867, 68493, 80343, 97971, 151759, 205479, 241029, 293913, 455277, 616437, 881739, 1365831, 2579903, 4097493, 7739709, 23219127, 69657381]

約数ペア:

[(1, 69657381), (3, 23219127), (9, 7739709), (17, 4097493), (27, 2579903), (51, 1365831), (79, 881739), (113, 616437), (153, 455277), (237, 293913), (289, 241029), (339, 205479), (459, 151759), (711, 97971), (867, 80343), (1017, 68493), (1343, 51867), (1921, 36261), (2133, 32657), (2601, 26781), (3051, 22831), (4029, 17289), (5763, 12087), (7803, 8927)]