78840081

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{78919}}^1$

素因数の和:78965

約数の個数: 16

約数和(自身を含む): 119958400

約数和(自身を除く): 41118319

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 78919, 236757, 710271, 2130813, 2920003, 8760009, 26280027, 78840081]

約数ペア:

[(1, 78840081), (3, 26280027), (9, 8760009), (27, 2920003), (37, 2130813), (111, 710271), (333, 236757), (999, 78919)]