239968143

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{829}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 363340800

約数和(自身を除く): 123372657

約数列:

[1, 3, 9, 27, 71, 151, 213, 453, 639, 829, 1359, 1917, 2487, 4077, 7461, 10721, 22383, 32163, 58859, 96489, 125179, 176577, 289467, 375537, 529731, 1126611, 1589193, 3379833, 8887709, 26663127, 79989381, 239968143]

約数ペア:

[(1, 239968143), (3, 79989381), (9, 26663127), (27, 8887709), (71, 3379833), (151, 1589193), (213, 1126611), (453, 529731), (639, 375537), (829, 289467), (1359, 176577), (1917, 125179), (2487, 96489), (4077, 58859), (7461, 32163), (10721, 22383)]