128243619

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{4723}}^1$

素因数の和:5167

約数の個数: 24

約数和(自身を含む): 212239872

約数和(自身を除く): 83996253

約数列:

[1, 3, 7, 9, 21, 63, 431, 1293, 3017, 3879, 4723, 9051, 14169, 27153, 33061, 42507, 99183, 297549, 2035613, 6106839, 14249291, 18320517, 42747873, 128243619]

約数ペア:

[(1, 128243619), (3, 42747873), (7, 18320517), (9, 14249291), (21, 6106839), (63, 2035613), (431, 297549), (1293, 99183), (3017, 42507), (3879, 33061), (4723, 27153), (9051, 14169)]