2787885

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 5028480

約数和(自身を除く): 2240595

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 193, 321, 535, 579, 963, 965, 1605, 1737, 2889, 2895, 4815, 5211, 8685, 14445, 20651, 26055, 61953, 103255, 185859, 309765, 557577, 929295, 2787885]

約数ペア:

[(1, 2787885), (3, 929295), (5, 557577), (9, 309765), (15, 185859), (27, 103255), (45, 61953), (107, 26055), (135, 20651), (193, 14445), (321, 8685), (535, 5211), (579, 4815), (963, 2895), (965, 2889), (1605, 1737)]