56720313

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28517}}^1$

素因数の和:28553

約数の個数: 24

約数和(自身を含む): 93424968

約数和(自身を除く): 36704655

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 28517, 85551, 256653, 370721, 484789, 1112163, 1454367, 3336489, 4363101, 6302257, 18906771, 56720313]

約数ペア:

[(1, 56720313), (3, 18906771), (9, 6302257), (13, 4363101), (17, 3336489), (39, 1454367), (51, 1112163), (117, 484789), (153, 370721), (221, 256653), (663, 85551), (1989, 28517)]