90636399

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 158505984

約数和(自身を除く): 67869585

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 483, 497, 639, 881, 1449, 1491, 1633, 2643, 4473, 4899, 6167, 7929, 11431, 14697, 18501, 20263, 34293, 55503, 60789, 62551, 102879, 141841, 182367, 187653, 425523, 437857, 562959, 1276569, 1313571, 1438673, 3940713, 4316019, 10070711, 12948057, 30212133, 90636399]

約数ペア:

[(1, 90636399), (3, 30212133), (7, 12948057), (9, 10070711), (21, 4316019), (23, 3940713), (63, 1438673), (69, 1313571), (71, 1276569), (161, 562959), (207, 437857), (213, 425523), (483, 187653), (497, 182367), (639, 141841), (881, 102879), (1449, 62551), (1491, 60789), (1633, 55503), (2643, 34293), (4473, 20263), (4899, 18501), (6167, 14697), (7929, 11431)]