66990421

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2347}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 75060864

約数和(自身を除く): 8070443

約数列:

[1, 17, 23, 73, 391, 1241, 1679, 2347, 28543, 39899, 53981, 171331, 917677, 2912627, 3940613, 66990421]

約数ペア:

[(1, 66990421), (17, 3940613), (23, 2912627), (73, 917677), (391, 171331), (1241, 53981), (1679, 39899), (2347, 28543)]