189792351

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{81421}}^1$

素因数の和:81471

約数の個数: 24

約数和(自身を含む): 321779744

約数和(自身を除く): 131987393

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 81421, 244263, 569947, 732789, 1709841, 3012577, 5129523, 9037731, 21088039, 27113193, 63264117, 189792351]

約数ペア:

[(1, 189792351), (3, 63264117), (7, 27113193), (9, 21088039), (21, 9037731), (37, 5129523), (63, 3012577), (111, 1709841), (259, 732789), (333, 569947), (777, 244263), (2331, 81421)]