201740721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{738977}}^1$

素因数の和:739000

約数の個数: 16

約数和(自身を含む): 331062144

約数和(自身を除く): 129321423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 738977, 2216931, 5172839, 9606701, 15518517, 28820103, 67246907, 201740721]

約数ペア:

[(1, 201740721), (3, 67246907), (7, 28820103), (13, 15518517), (21, 9606701), (39, 5172839), (91, 2216931), (273, 738977)]