61985007

素因数分解:

$3^4\times 7^1\times {\mathrm{109321}}^1$

素因数の和:109340

約数の個数: 20

約数和(自身を含む): 105823696

約数和(自身を除く): 43838689

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 109321, 327963, 765247, 983889, 2295741, 2951667, 6887223, 8855001, 20661669, 61985007]

約数ペア:

[(1, 61985007), (3, 20661669), (7, 8855001), (9, 6887223), (21, 2951667), (27, 2295741), (63, 983889), (81, 765247), (189, 327963), (567, 109321)]