77884821

素因数分解:

$3^4\times 7^1\times {\mathrm{137363}}^1$

素因数の和:137382

約数の個数: 20

約数和(自身を含む): 132968352

約数和(自身を除く): 55083531

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 137363, 412089, 961541, 1236267, 2884623, 3708801, 8653869, 11126403, 25961607, 77884821]

約数ペア:

[(1, 77884821), (3, 25961607), (7, 11126403), (9, 8653869), (21, 3708801), (27, 2884623), (63, 1236267), (81, 961541), (189, 412089), (567, 137363)]