390802239

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{283807}}^1$

素因数の和:283836

約数の個数: 20

約数和(自身を含む): 618133824

約数和(自身を除く): 227331585

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 283807, 851421, 2554263, 4824719, 7662789, 14474157, 22988367, 43422471, 130267413, 390802239]

約数ペア:

[(1, 390802239), (3, 130267413), (9, 43422471), (17, 22988367), (27, 14474157), (51, 7662789), (81, 4824719), (153, 2554263), (459, 851421), (1377, 283807)]