28639575

素因数分解:

$3^4\times 5^2\times {\mathrm{14143}}^1$

素因数の和:14165

約数の個数: 30

約数和(自身を含む): 53054144

約数和(自身を除く): 24414569

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 14143, 42429, 70715, 127287, 212145, 353575, 381861, 636435, 1060725, 1145583, 1909305, 3182175, 5727915, 9546525, 28639575]

約数ペア:

[(1, 28639575), (3, 9546525), (5, 5727915), (9, 3182175), (15, 1909305), (25, 1145583), (27, 1060725), (45, 636435), (75, 381861), (81, 353575), (135, 212145), (225, 127287), (405, 70715), (675, 42429), (2025, 14143)]