78202347

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 110971584

約数和(自身を除く): 32769237

約数列:

[1, 3, 19, 57, 163, 361, 443, 489, 1083, 1329, 3097, 8417, 9291, 25251, 58843, 72209, 159923, 176529, 216627, 479769, 1371971, 4115913, 26067449, 78202347]

約数ペア:

[(1, 78202347), (3, 26067449), (19, 4115913), (57, 1371971), (163, 479769), (361, 216627), (443, 176529), (489, 159923), (1083, 72209), (1329, 58843), (3097, 25251), (8417, 9291)]