56219913

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{1697}}^1$

素因数の和:2118

約数の個数: 20

約数和(自身を含む): 84237780

約数和(自身を除く): 28017867

約数列:

[1, 3, 9, 27, 81, 409, 1227, 1697, 3681, 5091, 11043, 15273, 33129, 45819, 137457, 694073, 2082219, 6246657, 18739971, 56219913]

約数ペア:

[(1, 56219913), (3, 18739971), (9, 6246657), (27, 2082219), (81, 694073), (409, 137457), (1227, 45819), (1697, 33129), (3681, 15273), (5091, 11043)]