80105517

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 124155680

約数和(自身を除く): 44050163

約数列:

[1, 3, 9, 27, 43, 81, 109, 129, 211, 327, 387, 633, 981, 1161, 1899, 2943, 3483, 4687, 5697, 8829, 9073, 14061, 17091, 22999, 27219, 42183, 68997, 81657, 126549, 206991, 244971, 379647, 620973, 734913, 988957, 1862919, 2966871, 8900613, 26701839, 80105517]

約数ペア:

[(1, 80105517), (3, 26701839), (9, 8900613), (27, 2966871), (43, 1862919), (81, 988957), (109, 734913), (129, 620973), (211, 379647), (327, 244971), (387, 206991), (633, 126549), (981, 81657), (1161, 68997), (1899, 42183), (2943, 27219), (3483, 22999), (4687, 17091), (5697, 14061), (8829, 9073)]