81237219

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{168193}}^1$

素因数の和:168226

約数の個数: 16

約数和(自身を含む): 129172992

約数和(自身を除く): 47935773

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 168193, 504579, 1177351, 3532053, 3868439, 11605317, 27079073, 81237219]

約数ペア:

[(1, 81237219), (3, 27079073), (7, 11605317), (21, 3868439), (23, 3532053), (69, 1177351), (161, 504579), (483, 168193)]