61219557

素因数分解:

$3^4\times 7^1\times {\mathrm{107971}}^1$

素因数の和:107990

約数の個数: 20

約数和(自身を含む): 104516896

約数和(自身を除く): 43297339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 107971, 323913, 755797, 971739, 2267391, 2915217, 6802173, 8745651, 20406519, 61219557]

約数ペア:

[(1, 61219557), (3, 20406519), (7, 8745651), (9, 6802173), (21, 2915217), (27, 2267391), (63, 971739), (81, 755797), (189, 323913), (567, 107971)]