78840243

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{47869}}^1$

素因数の和:47939

約数の個数: 16

約数和(自身を含む): 118717600

約数和(自身を除く): 39877357

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 47869, 143607, 430821, 1292463, 2920009, 8760027, 26280081, 78840243]

約数ペア:

[(1, 78840243), (3, 26280081), (9, 8760027), (27, 2920009), (61, 1292463), (183, 430821), (549, 143607), (1647, 47869)]