6663839

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 8502912

約数和(自身を除く): 1839073

約数列:

[1, 7, 13, 43, 91, 131, 169, 301, 559, 917, 1183, 1703, 3913, 5633, 7267, 11921, 22139, 39431, 50869, 73229, 154973, 512603, 951977, 6663839]

約数ペア:

[(1, 6663839), (7, 951977), (13, 512603), (43, 154973), (91, 73229), (131, 50869), (169, 39431), (301, 22139), (559, 11921), (917, 7267), (1183, 5633), (1703, 3913)]