81431119

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{22501}}^1$

素因数の和:22566

約数の個数: 16

約数和(自身を含む): 103689216

約数和(自身を除く): 22258097

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 22501, 157507, 247511, 1057547, 1732577, 7402829, 11633017, 81431119]

約数ペア:

[(1, 81431119), (7, 11633017), (11, 7402829), (47, 1732577), (77, 1057547), (329, 247511), (517, 157507), (3619, 22501)]