1998408021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{39184471}}^1$

素因数の和:39184491

約数の個数: 8

約数和(自身を含む): 2821281984

約数和(自身を除く): 822873963

約数列:

[1, 3, 17, 51, 39184471, 117553413, 666136007, 1998408021]

約数ペア:

[(1, 1998408021), (3, 666136007), (17, 117553413), (51, 39184471)]