28999737

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3581

約数の個数: 24

約数和(自身を含む): 45759168

約数和(自身を除く): 16759431

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 3491, 8307, 10473, 31419, 45383, 136149, 247861, 408447, 743583, 2230749, 3222193, 9666579, 28999737]

約数ペア:

[(1, 28999737), (3, 9666579), (9, 3222193), (13, 2230749), (39, 743583), (71, 408447), (117, 247861), (213, 136149), (639, 45383), (923, 31419), (2769, 10473), (3491, 8307)]