56781459

素因数分解:

$3^3\times 7^1\times {\mathrm{300431}}^1$

素因数の和:300447

約数の個数: 16

約数和(自身を含む): 96138240

約数和(自身を除く): 39356781

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 300431, 901293, 2103017, 2703879, 6309051, 8111637, 18927153, 56781459]

約数ペア:

[(1, 56781459), (3, 18927153), (7, 8111637), (9, 6309051), (21, 2703879), (27, 2103017), (63, 901293), (189, 300431)]