81046287

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18119}}^1$

素因数の和:18203

約数の個数: 24

約数和(自身を含む): 135682560

約数和(自身を除く): 54636273

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 18119, 54357, 126833, 163071, 380499, 1141497, 1286449, 3859347, 9005143, 11578041, 27015429, 81046287]

約数ペア:

[(1, 81046287), (3, 27015429), (7, 11578041), (9, 9005143), (21, 3859347), (63, 1286449), (71, 1141497), (213, 380499), (497, 163071), (639, 126833), (1491, 54357), (4473, 18119)]