81490401

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{177539}}^1$

素因数の和:177565

約数の個数: 16

約数和(自身を含む): 127828800

約数和(自身を除く): 46338399

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 177539, 532617, 1597851, 3018163, 4793553, 9054489, 27163467, 81490401]

約数ペア:

[(1, 81490401), (3, 27163467), (9, 9054489), (17, 4793553), (27, 3018163), (51, 1597851), (153, 532617), (459, 177539)]