78403383

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{13633}}^1$

素因数の和:13716

約数の個数: 20

約数和(自身を含む): 118779408

約数和(自身を除く): 40376025

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 13633, 40899, 122697, 368091, 967943, 1104273, 2903829, 8711487, 26134461, 78403383]

約数ペア:

[(1, 78403383), (3, 26134461), (9, 8711487), (27, 2903829), (71, 1104273), (81, 967943), (213, 368091), (639, 122697), (1917, 40899), (5751, 13633)]