211673853

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{21757}}^1$

素因数の和:21833

約数の個数: 24

約数和(自身を含む): 325847808

約数和(自身を除く): 114173955

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 9729, 21757, 65271, 195813, 500411, 1022579, 1501233, 3067737, 4503699, 9203211, 23519317, 70557951, 211673853]

約数ペア:

[(1, 211673853), (3, 70557951), (9, 23519317), (23, 9203211), (47, 4503699), (69, 3067737), (141, 1501233), (207, 1022579), (423, 500411), (1081, 195813), (3243, 65271), (9729, 21757)]