161954919

素因数分解:

$3^2\times 7^1\times {\mathrm{2570713}}^1$

素因数の和:2570726

約数の個数: 12

約数和(自身を含む): 267354256

約数和(自身を除く): 105399337

約数列:

[1, 3, 7, 9, 21, 63, 2570713, 7712139, 17994991, 23136417, 53984973, 161954919]

約数ペア:

[(1, 161954919), (3, 53984973), (7, 23136417), (9, 17994991), (21, 7712139), (63, 2570713)]