28754181

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{54151}}^1$

素因数の和:54216

約数の個数: 12

約数和(自身を含む): 42238560

約数和(自身を除く): 13484379

約数列:

[1, 3, 9, 59, 177, 531, 54151, 162453, 487359, 3194909, 9584727, 28754181]

約数ペア:

[(1, 28754181), (3, 9584727), (9, 3194909), (59, 487359), (177, 162453), (531, 54151)]