870345819

素因数分解:

$3^2\times 7^1\times {\mathrm{2203}}^1\times {\mathrm{6271}}^1$

素因数の和:8487

約数の個数: 24

約数和(自身を含む): 1437642752

約数和(自身を除く): 567296933

約数列:

[1, 3, 7, 9, 21, 63, 2203, 6271, 6609, 15421, 18813, 19827, 43897, 46263, 56439, 131691, 138789, 395073, 13815013, 41445039, 96705091, 124335117, 290115273, 870345819]

約数ペア:

[(1, 870345819), (3, 290115273), (7, 124335117), (9, 96705091), (21, 41445039), (63, 13815013), (2203, 395073), (6271, 138789), (6609, 131691), (15421, 56439), (18813, 46263), (19827, 43897)]