1567387989

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{217421}}^1$

素因数の和:217522

約数の個数: 20

約数和(自身を含む): 2367725580

約数和(自身を除く): 800337591

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 217421, 652263, 1956789, 5870367, 17611101, 19350469, 58051407, 174154221, 522462663, 1567387989]

約数ペア:

[(1, 1567387989), (3, 522462663), (9, 174154221), (27, 58051407), (81, 19350469), (89, 17611101), (267, 5870367), (801, 1956789), (2403, 652263), (7209, 217421)]