1999349541

素因数分解:

$3^3\times 7^1\times {\mathrm{10578569}}^1$

素因数の和:10578585

約数の個数: 16

約数和(自身を含む): 3385142400

約数和(自身を除く): 1385792859

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 10578569, 31735707, 74049983, 95207121, 222149949, 285621363, 666449847, 1999349541]

約数ペア:

[(1, 1999349541), (3, 666449847), (7, 285621363), (9, 222149949), (21, 95207121), (27, 74049983), (63, 31735707), (189, 10578569)]