77541705

素因数分解:

$3^4\times 5^1\times {\mathrm{191461}}^1$

素因数の和:191478

約数の個数: 20

約数和(自身を含む): 139001412

約数和(自身を除く): 61459707

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 191461, 574383, 957305, 1723149, 2871915, 5169447, 8615745, 15508341, 25847235, 77541705]

約数ペア:

[(1, 77541705), (3, 25847235), (5, 15508341), (9, 8615745), (15, 5169447), (27, 2871915), (45, 1723149), (81, 957305), (135, 574383), (405, 191461)]