20171320317

素因数分解:

$3^2\times {\mathrm{509}}^1\times {\mathrm{4403257}}^1$

素因数の和:4403772

約数の個数: 12

約数和(自身を含む): 29193600540

約数和(自身を除く): 9022280223

約数列:

[1, 3, 9, 509, 1527, 4581, 4403257, 13209771, 39629313, 2241257813, 6723773439, 20171320317]

約数ペア:

[(1, 20171320317), (3, 6723773439), (9, 2241257813), (509, 39629313), (1527, 13209771), (4581, 4403257)]