217138173

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{252193}}^1$

素因数の和:252244

約数の個数: 16

約数和(自身を含む): 338948736

約数和(自身を除く): 121810563

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 252193, 756579, 1765351, 5296053, 10339913, 31019739, 72379391, 217138173]

約数ペア:

[(1, 217138173), (3, 72379391), (7, 31019739), (21, 10339913), (41, 5296053), (123, 1765351), (287, 756579), (861, 252193)]