128580231

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193937}}^1$

素因数の和:193970

約数の個数: 16

約数和(自身を含む): 195489504

約数和(自身を除く): 66909273

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 193937, 581811, 2521181, 3296929, 7563543, 9890787, 42860077, 128580231]

約数ペア:

[(1, 128580231), (3, 42860077), (13, 9890787), (17, 7563543), (39, 3296929), (51, 2521181), (221, 581811), (663, 193937)]