784053

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 16

約数和(自身を含む): 1180800

約数和(自身を除く): 396747

約数列:

[1, 3, 9, 27, 71, 213, 409, 639, 1227, 1917, 3681, 11043, 29039, 87117, 261351, 784053]

約数ペア:

[(1, 784053), (3, 261351), (9, 87117), (27, 29039), (71, 11043), (213, 3681), (409, 1917), (639, 1227)]