81344487

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 127319040

約数和(自身を除く): 45974553

約数列:

[1, 3, 7, 21, 71, 89, 213, 267, 497, 613, 623, 1491, 1839, 1869, 4291, 6319, 12873, 18957, 43523, 44233, 54557, 130569, 132699, 163671, 304661, 381899, 913983, 1145697, 3873547, 11620641, 27114829, 81344487]

約数ペア:

[(1, 81344487), (3, 27114829), (7, 11620641), (21, 3873547), (71, 1145697), (89, 913983), (213, 381899), (267, 304661), (497, 163671), (613, 132699), (623, 130569), (1491, 54557), (1839, 44233), (1869, 43523), (4291, 18957), (6319, 12873)]