12128589

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 19850880

約数和(自身を除く): 7722291

約数列:

[1, 3, 9, 11, 27, 33, 97, 99, 291, 297, 421, 873, 1067, 1263, 2619, 3201, 3789, 4631, 9603, 11367, 13893, 28809, 40837, 41679, 122511, 125037, 367533, 449207, 1102599, 1347621, 4042863, 12128589]

約数ペア:

[(1, 12128589), (3, 4042863), (9, 1347621), (11, 1102599), (27, 449207), (33, 367533), (97, 125037), (99, 122511), (291, 41679), (297, 40837), (421, 28809), (873, 13893), (1067, 11367), (1263, 9603), (2619, 4631), (3201, 3789)]