68319279

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 121642560

約数和(自身を除く): 53323281

約数列:

[1, 3, 7, 9, 21, 37, 49, 53, 63, 79, 111, 147, 159, 237, 259, 333, 371, 441, 477, 553, 711, 777, 1113, 1659, 1813, 1961, 2331, 2597, 2923, 3339, 3871, 4187, 4977, 5439, 5883, 7791, 8769, 11613, 12561, 13727, 16317, 17649, 20461, 23373, 26307, 29309, 34839, 37683, 41181, 61383, 87927, 96089, 123543, 143227, 154919, 184149, 205163, 263781, 288267, 429681, 464757, 615489, 864801, 1084433, 1289043, 1394271, 1846467, 3253299, 7591031, 9759897, 22773093, 68319279]

約数ペア:

[(1, 68319279), (3, 22773093), (7, 9759897), (9, 7591031), (21, 3253299), (37, 1846467), (49, 1394271), (53, 1289043), (63, 1084433), (79, 864801), (111, 615489), (147, 464757), (159, 429681), (237, 288267), (259, 263781), (333, 205163), (371, 184149), (441, 154919), (477, 143227), (553, 123543), (711, 96089), (777, 87927), (1113, 61383), (1659, 41181), (1813, 37683), (1961, 34839), (2331, 29309), (2597, 26307), (2923, 23373), (3339, 20461), (3871, 17649), (4187, 16317), (4977, 13727), (5439, 12561), (5883, 11613), (7791, 8769)]