31045221

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 49136000

約数和(自身を除く): 18090779

約数列:

[1, 3, 9, 19, 27, 57, 73, 171, 219, 513, 657, 829, 1387, 1971, 2487, 4161, 7461, 12483, 15751, 22383, 37449, 47253, 60517, 141759, 181551, 425277, 544653, 1149823, 1633959, 3449469, 10348407, 31045221]

約数ペア:

[(1, 31045221), (3, 10348407), (9, 3449469), (19, 1633959), (27, 1149823), (57, 544653), (73, 425277), (171, 181551), (219, 141759), (513, 60517), (657, 47253), (829, 37449), (1387, 22383), (1971, 15751), (2487, 12483), (4161, 7461)]