28136199

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4481}}^1$

素因数の和:4527

約数の個数: 32

約数和(自身を含む): 48190464

約数和(自身を除く): 20054265

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 4481, 6279, 13443, 31367, 58253, 94101, 103063, 174759, 309189, 407771, 721441, 1223313, 1339819, 2164323, 4019457, 9378733, 28136199]

約数ペア:

[(1, 28136199), (3, 9378733), (7, 4019457), (13, 2164323), (21, 1339819), (23, 1223313), (39, 721441), (69, 407771), (91, 309189), (161, 174759), (273, 103063), (299, 94101), (483, 58253), (897, 31367), (2093, 13443), (4481, 6279)]