28478115

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1093}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 50936640

約数和(自身を除く): 22458525

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 579, 965, 1093, 1737, 2895, 3279, 5211, 5465, 8685, 9837, 16395, 26055, 29511, 49185, 147555, 210949, 632847, 1054745, 1898541, 3164235, 5695623, 9492705, 28478115]

約数ペア:

[(1, 28478115), (3, 9492705), (5, 5695623), (9, 3164235), (15, 1898541), (27, 1054745), (45, 632847), (135, 210949), (193, 147555), (579, 49185), (965, 29511), (1093, 26055), (1737, 16395), (2895, 9837), (3279, 8685), (5211, 5465)]