81254211

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{1741}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 111042048

約数和(自身を除く): 29787837

約数列:

[1, 3, 47, 141, 331, 993, 1741, 5223, 15557, 46671, 81827, 245481, 576271, 1728813, 27084737, 81254211]

約数ペア:

[(1, 81254211), (3, 27084737), (47, 1728813), (141, 576271), (331, 245481), (993, 81827), (1741, 46671), (5223, 15557)]