81421351

素因数分解:

${\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{349}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 90316800

約数和(自身を除く): 8895449

約数列:

[1, 11, 127, 167, 349, 1397, 1837, 3839, 21209, 44323, 58283, 233299, 487553, 641113, 7401941, 81421351]

約数ペア:

[(1, 81421351), (11, 7401941), (127, 641113), (167, 487553), (349, 233299), (1397, 58283), (1837, 44323), (3839, 21209)]