81963105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{780601}}^1$

素因数の和:780616

約数の個数: 16

約数和(自身を含む): 149875584

約数和(自身を除く): 67912479

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 780601, 2341803, 3903005, 5464207, 11709015, 16392621, 27321035, 81963105]

約数ペア:

[(1, 81963105), (3, 27321035), (5, 16392621), (7, 11709015), (15, 5464207), (21, 3903005), (35, 2341803), (105, 780601)]