261750441

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{68539}}^1$

素因数の和:68628

約数の個数: 16

約数和(自身を含む): 372857600

約数和(自身を除く): 111107159

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 68539, 205617, 1302241, 3906723, 4592113, 13776339, 87250147, 261750441]

約数ペア:

[(1, 261750441), (3, 87250147), (19, 13776339), (57, 4592113), (67, 3906723), (201, 1302241), (1273, 205617), (3819, 68539)]