128416245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{829}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 215136000

約数和(自身を除く): 86719755

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 449, 829, 1347, 2245, 2487, 4145, 6735, 10327, 12435, 19067, 30981, 51635, 57201, 95335, 154905, 286005, 372221, 1116663, 1861105, 5583315, 8561083, 25683249, 42805415, 128416245]

約数ペア:

[(1, 128416245), (3, 42805415), (5, 25683249), (15, 8561083), (23, 5583315), (69, 1861105), (115, 1116663), (345, 372221), (449, 286005), (829, 154905), (1347, 95335), (2245, 57201), (2487, 51635), (4145, 30981), (6735, 19067), (10327, 12435)]