207943239

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521161}}^1$

素因数の和:521190

約数の個数: 16

約数和(自身を含む): 333543680

約数和(自身を除く): 125600441

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 521161, 1563483, 3648127, 9902059, 10944381, 29706177, 69314413, 207943239]

約数ペア:

[(1, 207943239), (3, 69314413), (7, 29706177), (19, 10944381), (21, 9902059), (57, 3648127), (133, 1563483), (399, 521161)]