28450521

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 47672064

約数和(自身を除く): 19221543

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 863, 891, 999, 1221, 2589, 2997, 3663, 7767, 9493, 10989, 23301, 28479, 31931, 32967, 69903, 85437, 95793, 256311, 287379, 351241, 768933, 862137, 1053723, 2586411, 3161169, 9483507, 28450521]

約数ペア:

[(1, 28450521), (3, 9483507), (9, 3161169), (11, 2586411), (27, 1053723), (33, 862137), (37, 768933), (81, 351241), (99, 287379), (111, 256311), (297, 95793), (333, 85437), (407, 69903), (863, 32967), (891, 31931), (999, 28479), (1221, 23301), (2589, 10989), (2997, 9493), (3663, 7767)]