6688905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1543}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 11376192

約数和(自身を除く): 4687287

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 1543, 4335, 4629, 7715, 23145, 26231, 78693, 131155, 393465, 445927, 1337781, 2229635, 6688905]

約数ペア:

[(1, 6688905), (3, 2229635), (5, 1337781), (15, 445927), (17, 393465), (51, 131155), (85, 78693), (255, 26231), (289, 23145), (867, 7715), (1445, 4629), (1543, 4335)]