156927678021

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{2994403}}^1$

素因数の和:2995062

約数の個数: 20

約数和(自身を含む): 234785228832

約数和(自身を除く): 77857550811

約数列:

[1, 3, 9, 27, 81, 647, 1941, 5823, 17469, 52407, 2994403, 8983209, 26949627, 80848881, 242546643, 1937378741, 5812136223, 17436408669, 52309226007, 156927678021]

約数ペア:

[(1, 156927678021), (3, 52309226007), (9, 17436408669), (27, 5812136223), (81, 1937378741), (647, 242546643), (1941, 80848881), (5823, 26949627), (17469, 8983209), (52407, 2994403)]