18780927

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3769}}^1$

素因数の和:3934

約数の個数: 16

約数和(自身を含む): 27505920

約数和(自身を除く): 8724993

約数列:

[1, 3, 11, 33, 151, 453, 1661, 3769, 4983, 11307, 41459, 124377, 569119, 1707357, 6260309, 18780927]

約数ペア:

[(1, 18780927), (3, 6260309), (11, 1707357), (33, 569119), (151, 124377), (453, 41459), (1661, 11307), (3769, 4983)]