247483809

素因数分解:

$3^3\times {\mathrm{2221}}^1\times {\mathrm{4127}}^1$

素因数の和:6357

約数の個数: 16

約数和(自身を含む): 366896640

約数和(自身を除く): 119412831

約数列:

[1, 3, 9, 27, 2221, 4127, 6663, 12381, 19989, 37143, 59967, 111429, 9166067, 27498201, 82494603, 247483809]

約数ペア:

[(1, 247483809), (3, 82494603), (9, 27498201), (27, 9166067), (2221, 111429), (4127, 59967), (6663, 37143), (12381, 19989)]