15663990087

素因数分解:

$3^3\times {\mathrm{1999}}^1\times {\mathrm{290219}}^1$

素因数の和:292227

約数の個数: 16

約数和(自身を含む): 23217600000

約数和(自身を除く): 7553609913

約数列:

[1, 3, 9, 27, 1999, 5997, 17991, 53973, 290219, 870657, 2611971, 7835913, 580147781, 1740443343, 5221330029, 15663990087]

約数ペア:

[(1, 15663990087), (3, 5221330029), (9, 1740443343), (27, 580147781), (1999, 7835913), (5997, 2611971), (17991, 870657), (53973, 290219)]