78420987

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{70841}}^1$

素因数の和:70891

約数の個数: 16

約数和(自身を含む): 119014560

約数和(自身を除く): 40593573

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 70841, 212523, 637569, 1912707, 2904481, 8713443, 26140329, 78420987]

約数ペア:

[(1, 78420987), (3, 26140329), (9, 8713443), (27, 2904481), (41, 1912707), (123, 637569), (369, 212523), (1107, 70841)]