268291143

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{320539}}^1$

素因数の和:320579

約数の個数: 16

約数和(自身を含む): 410291200

約数和(自身を除く): 142000057

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 320539, 961617, 2884851, 8654553, 9936709, 29810127, 89430381, 268291143]

約数ペア:

[(1, 268291143), (3, 89430381), (9, 29810127), (27, 9936709), (31, 8654553), (93, 2884851), (279, 961617), (837, 320539)]