761967

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:444

約数の個数: 20

約数和(自身を含む): 1190640

約数和(自身を除く): 428673

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 409, 621, 1227, 1863, 3681, 9407, 11043, 28221, 33129, 84663, 253989, 761967]

約数ペア:

[(1, 761967), (3, 253989), (9, 84663), (23, 33129), (27, 28221), (69, 11043), (81, 9407), (207, 3681), (409, 1863), (621, 1227)]