20161519443

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{172320679}}^1$

素因数の和:172320698

約数の個数: 12

約数和(自身を含む): 31362363760

約数和(自身を除く): 11200844317

約数列:

[1, 3, 9, 13, 39, 117, 172320679, 516962037, 1550886111, 2240168827, 6720506481, 20161519443]

約数ペア:

[(1, 20161519443), (3, 6720506481), (9, 2240168827), (13, 1550886111), (39, 516962037), (117, 172320679)]