219254319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{18059}}^1$

素因数の和:18155

約数の個数: 24

約数和(自身を含む): 338083200

約数和(自身を除く): 118828881

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 18059, 54177, 162531, 343121, 1029363, 1282189, 3088089, 3846567, 11539701, 24361591, 73084773, 219254319]

約数ペア:

[(1, 219254319), (3, 73084773), (9, 24361591), (19, 11539701), (57, 3846567), (71, 3088089), (171, 1282189), (213, 1029363), (639, 343121), (1349, 162531), (4047, 54177), (12141, 18059)]