55156221

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{35839}}^1$

素因数の和:35870

約数の個数: 20

約数和(自身を含む): 86732800

約数和(自身を除く): 31576579

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 35839, 107517, 322551, 680941, 967653, 2042823, 2902959, 6128469, 18385407, 55156221]

約数ペア:

[(1, 55156221), (3, 18385407), (9, 6128469), (19, 2902959), (27, 2042823), (57, 967653), (81, 680941), (171, 322551), (513, 107517), (1539, 35839)]