28356861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 43045632

約数和(自身を除く): 14688771

約数列:

[1, 3, 13, 23, 39, 69, 101, 299, 303, 313, 897, 939, 1313, 2323, 3939, 4069, 6969, 7199, 12207, 21597, 30199, 31613, 90597, 93587, 94839, 280761, 410969, 727099, 1232907, 2181297, 9452287, 28356861]

約数ペア:

[(1, 28356861), (3, 9452287), (13, 2181297), (23, 1232907), (39, 727099), (69, 410969), (101, 280761), (299, 94839), (303, 93587), (313, 90597), (897, 31613), (939, 30199), (1313, 21597), (2323, 12207), (3939, 7199), (4069, 6969)]