28253529

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{2341}}^1$

素因数の和:2502

約数の個数: 20

約数和(自身を含む): 42507300

約数和(自身を除く): 14253771

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 2341, 4023, 7023, 12069, 21069, 63207, 189621, 348809, 1046427, 3139281, 9417843, 28253529]

約数ペア:

[(1, 28253529), (3, 9417843), (9, 3139281), (27, 1046427), (81, 348809), (149, 189621), (447, 63207), (1341, 21069), (2341, 12069), (4023, 7023)]