1851421

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 16

約数和(自身を含む): 2213568

約数和(自身を除く): 362147

約数列:

[1, 11, 13, 107, 121, 143, 1177, 1331, 1391, 1573, 12947, 15301, 17303, 142417, 168311, 1851421]

約数ペア:

[(1, 1851421), (11, 168311), (13, 142417), (107, 17303), (121, 15301), (143, 12947), (1177, 1573), (1331, 1391)]