28711071

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{55967}}^1$

素因数の和:55995

約数の個数: 16

約数和(自身を含む): 44774400

約数和(自身を除く): 16063329

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 55967, 167901, 503703, 1063373, 1511109, 3190119, 9570357, 28711071]

約数ペア:

[(1, 28711071), (3, 9570357), (9, 3190119), (19, 1511109), (27, 1063373), (57, 503703), (171, 167901), (513, 55967)]