80429013

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17981}}^1$

素因数の和:18065

約数の個数: 24

約数和(自身を含む): 134649216

約数和(自身を除く): 54220203

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 17981, 53943, 125867, 161829, 377601, 1132803, 1276651, 3829953, 8936557, 11489859, 26809671, 80429013]

約数ペア:

[(1, 80429013), (3, 26809671), (7, 11489859), (9, 8936557), (21, 3829953), (63, 1276651), (71, 1132803), (213, 377601), (497, 161829), (639, 125867), (1491, 53943), (4473, 17981)]