28182843

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3491}}^1$

素因数の和:3536

約数の個数: 32

約数和(自身を含む): 46932480

約数和(自身を除く): 18749637

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3491, 8073, 10473, 31419, 45383, 80293, 94257, 136149, 240879, 408447, 722637, 1043809, 1225341, 2167911, 3131427, 9394281, 28182843]

約数ペア:

[(1, 28182843), (3, 9394281), (9, 3131427), (13, 2167911), (23, 1225341), (27, 1043809), (39, 722637), (69, 408447), (117, 240879), (207, 136149), (299, 94257), (351, 80293), (621, 45383), (897, 31419), (2691, 10473), (3491, 8073)]