85904721

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18679}}^1$

素因数の和:18765

約数の個数: 24

約数和(自身を含む): 143761280

約数和(自身を除く): 57856559

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 18679, 56037, 130753, 168111, 392259, 1176777, 1363567, 4090701, 9544969, 12272103, 28634907, 85904721]

約数ペア:

[(1, 85904721), (3, 28634907), (7, 12272103), (9, 9544969), (21, 4090701), (63, 1363567), (73, 1176777), (219, 392259), (511, 168111), (657, 130753), (1533, 56037), (4599, 18679)]