1931236587

素因数分解:

$3^4\times 7^1\times {\mathrm{3406061}}^1$

素因数の和:3406080

約数の個数: 20

約数和(自身を含む): 3297068016

約数和(自身を除く): 1365831429

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3406061, 10218183, 23842427, 30654549, 71527281, 91963647, 214581843, 275890941, 643745529, 1931236587]

約数ペア:

[(1, 1931236587), (3, 643745529), (7, 275890941), (9, 214581843), (21, 91963647), (27, 71527281), (63, 30654549), (81, 23842427), (189, 10218183), (567, 3406061)]