81011277

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{991}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 121325568

約数和(自身を除く): 40314291

約数列:

[1, 3, 9, 31, 93, 279, 293, 879, 991, 2637, 2973, 8919, 9083, 27249, 30721, 81747, 92163, 276489, 290363, 871089, 2613267, 9001253, 27003759, 81011277]

約数ペア:

[(1, 81011277), (3, 27003759), (9, 9001253), (31, 2613267), (93, 871089), (279, 290363), (293, 276489), (879, 92163), (991, 81747), (2637, 30721), (2973, 27249), (8919, 9083)]