165796857

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 262828800

約数和(自身を除く): 97031943

約数列:

[1, 3, 9, 23, 29, 69, 71, 87, 207, 213, 261, 389, 639, 667, 1167, 1633, 2001, 2059, 3501, 4899, 6003, 6177, 8947, 11281, 14697, 18531, 26841, 27619, 33843, 47357, 80523, 82857, 101529, 142071, 248571, 259463, 426213, 635237, 778389, 800951, 1905711, 2335167, 2402853, 5717133, 7208559, 18421873, 55265619, 165796857]

約数ペア:

[(1, 165796857), (3, 55265619), (9, 18421873), (23, 7208559), (29, 5717133), (69, 2402853), (71, 2335167), (87, 1905711), (207, 800951), (213, 778389), (261, 635237), (389, 426213), (639, 259463), (667, 248571), (1167, 142071), (1633, 101529), (2001, 82857), (2059, 80523), (3501, 47357), (4899, 33843), (6003, 27619), (6177, 26841), (8947, 18531), (11281, 14697)]