291736377

素因数分解:

$3^3\times {\mathrm{257}}^1\times {\mathrm{42043}}^1$

素因数の和:42309

約数の個数: 16

約数和(自身を含む): 433894080

約数和(自身を除く): 142157703

約数列:

[1, 3, 9, 27, 257, 771, 2313, 6939, 42043, 126129, 378387, 1135161, 10805051, 32415153, 97245459, 291736377]

約数ペア:

[(1, 291736377), (3, 97245459), (9, 32415153), (27, 10805051), (257, 1135161), (771, 378387), (2313, 126129), (6939, 42043)]