28388877

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 43600896

約数和(自身を除く): 15212019

約数列:

[1, 3, 11, 23, 33, 69, 113, 253, 331, 339, 759, 993, 1243, 2599, 3641, 3729, 7613, 7797, 10923, 22839, 28589, 37403, 83743, 85767, 112209, 251229, 411433, 860269, 1234299, 2580807, 9462959, 28388877]

約数ペア:

[(1, 28388877), (3, 9462959), (11, 2580807), (23, 1234299), (33, 860269), (69, 411433), (113, 251229), (253, 112209), (331, 85767), (339, 83743), (759, 37403), (993, 28589), (1243, 22839), (2599, 10923), (3641, 7797), (3729, 7613)]