81728101

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47269}}^1$

素因数の和:47308

約数の個数: 16

約数和(自身を含む): 105884800

約数和(自身を除く): 24156699

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 47269, 330883, 614497, 898111, 4301479, 6286777, 11675443, 81728101]

約数ペア:

[(1, 81728101), (7, 11675443), (13, 6286777), (19, 4301479), (91, 898111), (133, 614497), (247, 330883), (1729, 47269)]