2011267881

素因数分解:

$3^3\times 7^1\times {\mathrm{10641629}}^1$

素因数の和:10641645

約数の個数: 16

約数和(自身を含む): 3405321600

約数和(自身を除く): 1394053719

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 10641629, 31924887, 74491403, 95774661, 223474209, 287323983, 670422627, 2011267881]

約数ペア:

[(1, 2011267881), (3, 670422627), (7, 287323983), (9, 223474209), (21, 95774661), (27, 74491403), (63, 31924887), (189, 10641629)]