539721

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 960960

約数和(自身を除く): 421239

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 659, 819, 1977, 4613, 5931, 8567, 13839, 25701, 41517, 59969, 77103, 179907, 539721]

約数ペア:

[(1, 539721), (3, 179907), (7, 77103), (9, 59969), (13, 41517), (21, 25701), (39, 13839), (63, 8567), (91, 5931), (117, 4613), (273, 1977), (659, 819)]