81662121

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{131501}}^1$

素因数の和:131533

約数の個数: 16

約数和(自身を含む): 126241920

約数和(自身を除く): 44579799

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 131501, 394503, 1183509, 3024523, 3550527, 9073569, 27220707, 81662121]

約数ペア:

[(1, 81662121), (3, 27220707), (9, 9073569), (23, 3550527), (27, 3024523), (69, 1183509), (207, 394503), (621, 131501)]