129121785

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220721}}^1$

素因数の和:220745

約数の個数: 24

約数和(自身を含む): 241028424

約数和(自身を除く): 111906639

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 220721, 662163, 1103605, 1986489, 2869373, 3310815, 8608119, 9932445, 14346865, 25824357, 43040595, 129121785]

約数ペア:

[(1, 129121785), (3, 43040595), (5, 25824357), (9, 14346865), (13, 9932445), (15, 8608119), (39, 3310815), (45, 2869373), (65, 1986489), (117, 1103605), (195, 662163), (585, 220721)]