281567991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{39719}}^1$

素因数の和:39878

約数の個数: 16

約数和(自身を含む): 400377600

約数和(自身を除く): 118809609

約数列:

[1, 3, 17, 51, 139, 417, 2363, 7089, 39719, 119157, 675223, 2025669, 5520941, 16562823, 93855997, 281567991]

約数ペア:

[(1, 281567991), (3, 93855997), (17, 16562823), (51, 5520941), (139, 2025669), (417, 675223), (2363, 119157), (7089, 39719)]