207989721

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{68171}}^1$

素因数の和:68293

約数の個数: 16

約数和(自身を含む): 310864320

約数和(自身を除く): 102874599

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 68171, 204513, 613539, 1840617, 7703323, 23109969, 69329907, 207989721]

約数ペア:

[(1, 207989721), (3, 69329907), (9, 23109969), (27, 7703323), (113, 1840617), (339, 613539), (1017, 204513), (3051, 68171)]