72691317

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 110208000

約数和(自身を除く): 37516683

約数列:

[1, 3, 9, 27, 83, 163, 199, 249, 489, 597, 747, 1467, 1791, 2241, 4401, 5373, 13529, 16517, 32437, 40587, 49551, 97311, 121761, 148653, 291933, 365283, 445959, 875799, 2692271, 8076813, 24230439, 72691317]

約数ペア:

[(1, 72691317), (3, 24230439), (9, 8076813), (27, 2692271), (83, 875799), (163, 445959), (199, 365283), (249, 291933), (489, 148653), (597, 121761), (747, 97311), (1467, 49551), (1791, 40587), (2241, 32437), (4401, 16517), (5373, 13529)]