15381819

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{3583}}^1$

素因数の和:3648

約数の個数: 20

約数和(自身を含む): 23417856

約数和(自身を除く): 8036037

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 3583, 4293, 10749, 32247, 96741, 189899, 290223, 569697, 1709091, 5127273, 15381819]

約数ペア:

[(1, 15381819), (3, 5127273), (9, 1709091), (27, 569697), (53, 290223), (81, 189899), (159, 96741), (477, 32247), (1431, 10749), (3583, 4293)]