1680851421

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{24799}}^1$

素因数の和:25265

約数の個数: 24

約数和(自身を含む): 2576620800

約数和(自身を除く): 895769379

約数列:

[1, 3, 9, 17, 51, 153, 443, 1329, 3987, 7531, 22593, 24799, 67779, 74397, 223191, 421583, 1264749, 3794247, 10985957, 32957871, 98873613, 186761269, 560283807, 1680851421]

約数ペア:

[(1, 1680851421), (3, 560283807), (9, 186761269), (17, 98873613), (51, 32957871), (153, 10985957), (443, 3794247), (1329, 1264749), (3987, 421583), (7531, 223191), (22593, 74397), (24799, 67779)]