81358431

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{352201}}^1$

素因数の和:352222

約数の個数: 16

約数和(自身を含む): 135245568

約数和(自身を除く): 53887137

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 352201, 1056603, 2465407, 3874211, 7396221, 11622633, 27119477, 81358431]

約数ペア:

[(1, 81358431), (3, 27119477), (7, 11622633), (11, 7396221), (21, 3874211), (33, 2465407), (77, 1056603), (231, 352201)]