28157745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{24379}}^1$

素因数の和:24405

約数の個数: 32

約数和(自身を含む): 56171520

約数和(自身を除く): 28013775

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 24379, 73137, 121895, 170653, 268169, 365685, 511959, 804507, 853265, 1340845, 1877183, 2559795, 4022535, 5631549, 9385915, 28157745]

約数ペア:

[(1, 28157745), (3, 9385915), (5, 5631549), (7, 4022535), (11, 2559795), (15, 1877183), (21, 1340845), (33, 853265), (35, 804507), (55, 511959), (77, 365685), (105, 268169), (165, 170653), (231, 121895), (385, 73137), (1155, 24379)]