216208941

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3929}}^1$

素因数の和:4045

約数の個数: 32

約数和(自身を含む): 332760960

約数和(自身を除く): 116552019

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 663, 1079, 1411, 3237, 3929, 4233, 11787, 18343, 51077, 55029, 66793, 153231, 200379, 326107, 868309, 978321, 2604927, 4239391, 5543819, 12718173, 16631457, 72069647, 216208941]

約数ペア:

[(1, 216208941), (3, 72069647), (13, 16631457), (17, 12718173), (39, 5543819), (51, 4239391), (83, 2604927), (221, 978321), (249, 868309), (663, 326107), (1079, 200379), (1411, 153231), (3237, 66793), (3929, 55029), (4233, 51077), (11787, 18343)]