28354264491

素因数分解:

$3^1\times 7^2\times {\mathrm{919}}^1\times {\mathrm{209887}}^1$

素因数の和:210823

約数の個数: 24

約数和(自身を含む): 44026106880

約数和(自身を除く): 15671842389

約数列:

[1, 3, 7, 21, 49, 147, 919, 2757, 6433, 19299, 45031, 135093, 209887, 629661, 1469209, 4407627, 10284463, 30853389, 192886153, 578658459, 1350203071, 4050609213, 9451421497, 28354264491]

約数ペア:

[(1, 28354264491), (3, 9451421497), (7, 4050609213), (21, 1350203071), (49, 578658459), (147, 192886153), (919, 30853389), (2757, 10284463), (6433, 4407627), (19299, 1469209), (45031, 629661), (135093, 209887)]