1279490877

素因数分解:

$3^3\times 7^1\times {\mathrm{6769793}}^1$

素因数の和:6769809

約数の個数: 16

約数和(自身を含む): 2166334080

約数和(自身を除く): 886843203

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6769793, 20309379, 47388551, 60928137, 142165653, 182784411, 426496959, 1279490877]

約数ペア:

[(1, 1279490877), (3, 426496959), (7, 182784411), (9, 142165653), (21, 60928137), (27, 47388551), (63, 20309379), (189, 6769793)]