90842157

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 158865408

約数和(自身を除く): 68023251

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 483, 497, 639, 883, 1449, 1491, 1633, 2649, 4473, 4899, 6181, 7947, 11431, 14697, 18543, 20309, 34293, 55629, 60927, 62693, 102879, 142163, 182781, 188079, 426489, 438851, 564237, 1279467, 1316553, 1441939, 3949659, 4325817, 10093573, 12977451, 30280719, 90842157]

約数ペア:

[(1, 90842157), (3, 30280719), (7, 12977451), (9, 10093573), (21, 4325817), (23, 3949659), (63, 1441939), (69, 1316553), (71, 1279467), (161, 564237), (207, 438851), (213, 426489), (483, 188079), (497, 182781), (639, 142163), (883, 102879), (1449, 62693), (1491, 60927), (1633, 55629), (2649, 34293), (4473, 20309), (4899, 18543), (6181, 14697), (7947, 11431)]