81698259

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{1511}}^1$

素因数の和:1850

約数の個数: 16

約数和(自身を含む): 111041280

約数和(自身を除く): 29343021

約数列:

[1, 3, 67, 201, 269, 807, 1511, 4533, 18023, 54069, 101237, 303711, 406459, 1219377, 27232753, 81698259]

約数ペア:

[(1, 81698259), (3, 27232753), (67, 1219377), (201, 406459), (269, 303711), (807, 101237), (1511, 54069), (4533, 18023)]