86978763

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1879

約数の個数: 24

約数和(自身を含む): 129093120

約数和(自身を除く): 42114357

約数列:

[1, 3, 9, 71, 79, 213, 237, 639, 711, 1723, 5169, 5609, 15507, 16827, 50481, 122333, 136117, 366999, 408351, 1100997, 1225053, 9664307, 28992921, 86978763]

約数ペア:

[(1, 86978763), (3, 28992921), (9, 9664307), (71, 1225053), (79, 1100997), (213, 408351), (237, 366999), (639, 136117), (711, 122333), (1723, 50481), (5169, 16827), (5609, 15507)]