255019713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3709}}^1$

素因数の和:3809

約数の個数: 32

約数和(自身を含む): 383940480

約数和(自身を除く): 128920767

約数列:

[1, 3, 13, 39, 41, 43, 123, 129, 533, 559, 1599, 1677, 1763, 3709, 5289, 11127, 22919, 48217, 68757, 144651, 152069, 159487, 456207, 478461, 1976897, 2073331, 5930691, 6219993, 6538967, 19616901, 85006571, 255019713]

約数ペア:

[(1, 255019713), (3, 85006571), (13, 19616901), (39, 6538967), (41, 6219993), (43, 5930691), (123, 2073331), (129, 1976897), (533, 478461), (559, 456207), (1599, 159487), (1677, 152069), (1763, 144651), (3709, 68757), (5289, 48217), (11127, 22919)]