28037529

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 47071360

約数和(自身を除く): 19033831

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 151, 207, 299, 351, 453, 529, 621, 897, 1359, 1587, 1963, 2691, 3473, 4077, 4761, 5889, 6877, 8073, 10419, 14283, 17667, 20631, 31257, 45149, 53001, 61893, 79879, 93771, 135447, 185679, 239637, 406341, 718911, 1038427, 1219023, 2156733, 3115281, 9345843, 28037529]

約数ペア:

[(1, 28037529), (3, 9345843), (9, 3115281), (13, 2156733), (23, 1219023), (27, 1038427), (39, 718911), (69, 406341), (117, 239637), (151, 185679), (207, 135447), (299, 93771), (351, 79879), (453, 61893), (529, 53001), (621, 45149), (897, 31257), (1359, 20631), (1587, 17667), (1963, 14283), (2691, 10419), (3473, 8073), (4077, 6877), (4761, 5889)]