81787083

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 130486272

約数和(自身を除く): 48699189

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 511, 651, 1533, 1721, 2263, 5163, 6789, 12047, 15841, 36141, 47523, 53351, 125633, 160053, 373457, 376899, 879431, 1120371, 2638293, 3894623, 11683869, 27262361, 81787083]

約数ペア:

[(1, 81787083), (3, 27262361), (7, 11683869), (21, 3894623), (31, 2638293), (73, 1120371), (93, 879431), (217, 376899), (219, 373457), (511, 160053), (651, 125633), (1533, 53351), (1721, 47523), (2263, 36141), (5163, 15841), (6789, 12047)]