28918383

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 43889664

約数和(自身を除く): 14971281

約数列:

[1, 3, 13, 23, 39, 69, 103, 299, 309, 313, 897, 939, 1339, 2369, 4017, 4069, 7107, 7199, 12207, 21597, 30797, 32239, 92391, 93587, 96717, 280761, 419107, 741497, 1257321, 2224491, 9639461, 28918383]

約数ペア:

[(1, 28918383), (3, 9639461), (13, 2224491), (23, 1257321), (39, 741497), (69, 419107), (103, 280761), (299, 96717), (309, 93587), (313, 92391), (897, 32239), (939, 30797), (1339, 21597), (2369, 12207), (4017, 7199), (4069, 7107)]