1290213819

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{2077639}}^1$

素因数の和:2077671

約数の個数: 16

約数和(自身を含む): 1994534400

約数和(自身を除く): 704320581

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 2077639, 6232917, 18698751, 47785697, 56096253, 143357091, 430071273, 1290213819]

約数ペア:

[(1, 1290213819), (3, 430071273), (9, 143357091), (23, 56096253), (27, 47785697), (69, 18698751), (207, 6232917), (621, 2077639)]