8270721

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 13351680

約数和(自身を除く): 5080959

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 153, 333, 459, 487, 629, 999, 1461, 1887, 4383, 5661, 8279, 13149, 16983, 18019, 24837, 54057, 74511, 162171, 223533, 306323, 486513, 918969, 2756907, 8270721]

約数ペア:

[(1, 8270721), (3, 2756907), (9, 918969), (17, 486513), (27, 306323), (37, 223533), (51, 162171), (111, 74511), (153, 54057), (333, 24837), (459, 18019), (487, 16983), (629, 13149), (999, 8279), (1461, 5661), (1887, 4383)]