766989

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:586

約数の個数: 20

約数和(自身を含む): 1215324

約数和(自身を除く): 448335

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 557, 1377, 1671, 5013, 9469, 15039, 28407, 45117, 85221, 255663, 766989]

約数ペア:

[(1, 766989), (3, 255663), (9, 85221), (17, 45117), (27, 28407), (51, 15039), (81, 9469), (153, 5013), (459, 1671), (557, 1377)]