15195681

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{6469}}^1$

素因数の和:6510

約数の個数: 20

約数和(自身を含む): 23486100

約数和(自身を除く): 8290419

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 6469, 19407, 58221, 174663, 187601, 523989, 562803, 1688409, 5065227, 15195681]

約数ペア:

[(1, 15195681), (3, 5065227), (9, 1688409), (27, 562803), (29, 523989), (81, 187601), (87, 174663), (261, 58221), (783, 19407), (2349, 6469)]