2745891

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 4262544

約数和(自身を除く): 1516653

約数列:

[1, 3, 9, 17, 51, 131, 137, 153, 393, 411, 1179, 1233, 2227, 2329, 6681, 6987, 17947, 20043, 20961, 53841, 161523, 305099, 915297, 2745891]

約数ペア:

[(1, 2745891), (3, 915297), (9, 305099), (17, 161523), (51, 53841), (131, 20961), (137, 20043), (153, 17947), (393, 6987), (411, 6681), (1179, 2329), (1233, 2227)]