31176819

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{2549}}^1$

素因数の和:2712

約数の個数: 20

約数和(自身を含む): 46899600

約数和(自身を除く): 15722781

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 2549, 4077, 7647, 12231, 22941, 68823, 206469, 384899, 1154697, 3464091, 10392273, 31176819]

約数ペア:

[(1, 31176819), (3, 10392273), (9, 3464091), (27, 1154697), (81, 384899), (151, 206469), (453, 68823), (1359, 22941), (2549, 12231), (4077, 7647)]