7161021

素因数分解:

$3^3\times 7^1\times {\mathrm{37889}}^1$

素因数の和:37905

約数の個数: 16

約数和(自身を含む): 12124800

約数和(自身を除く): 4963779

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 37889, 113667, 265223, 341001, 795669, 1023003, 2387007, 7161021]

約数ペア:

[(1, 7161021), (3, 2387007), (7, 1023003), (9, 795669), (21, 341001), (27, 265223), (63, 113667), (189, 37889)]