2166399

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 3494400

約数和(自身を除く): 1328001

約数列:

[1, 3, 9, 19, 27, 41, 57, 103, 123, 171, 309, 369, 513, 779, 927, 1107, 1957, 2337, 2781, 4223, 5871, 7011, 12669, 17613, 21033, 38007, 52839, 80237, 114021, 240711, 722133, 2166399]

約数ペア:

[(1, 2166399), (3, 722133), (9, 240711), (19, 114021), (27, 80237), (41, 52839), (57, 38007), (103, 21033), (123, 17613), (171, 12669), (309, 7011), (369, 5871), (513, 4223), (779, 2781), (927, 2337), (1107, 1957)]