81341079

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 114960384

約数和(自身を除く): 33619305

約数列:

[1, 3, 43, 71, 83, 107, 129, 213, 249, 321, 3053, 3569, 4601, 5893, 7597, 8881, 9159, 10707, 13803, 17679, 22791, 26643, 253399, 326671, 381883, 630551, 760197, 980013, 1145649, 1891653, 27113693, 81341079]

約数ペア:

[(1, 81341079), (3, 27113693), (43, 1891653), (71, 1145649), (83, 980013), (107, 760197), (129, 630551), (213, 381883), (249, 326671), (321, 253399), (3053, 26643), (3569, 22791), (4601, 17679), (5893, 13803), (7597, 10707), (8881, 9159)]