81268983

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2239}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 121721600

約数和(自身を除く): 40452617

約数列:

[1, 3, 9, 37, 109, 111, 327, 333, 981, 2239, 4033, 6717, 12099, 20151, 36297, 82843, 244051, 248529, 732153, 745587, 2196459, 9029887, 27089661, 81268983]

約数ペア:

[(1, 81268983), (3, 27089661), (9, 9029887), (37, 2196459), (109, 745587), (111, 732153), (327, 248529), (333, 244051), (981, 82843), (2239, 36297), (4033, 20151), (6717, 12099)]