81512217

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{51169}}^1$

素因数の和:51237

約数の個数: 16

約数和(自身を含む): 122808000

約数和(自身を除く): 41295783

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 51169, 153507, 460521, 1381563, 3018971, 9056913, 27170739, 81512217]

約数ペア:

[(1, 81512217), (3, 27170739), (9, 9056913), (27, 3018971), (59, 1381563), (177, 460521), (531, 153507), (1593, 51169)]