80940681

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{19853}}^1$

素因数の和:20013

約数の個数: 16

約数和(自身を含む): 120712320

約数和(自身を除く): 39771639

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 19853, 59559, 178677, 536031, 2997803, 8993409, 26980227, 80940681]

約数ペア:

[(1, 80940681), (3, 26980227), (9, 8993409), (27, 2997803), (151, 536031), (453, 178677), (1359, 59559), (4077, 19853)]