13209875

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 19488768

約数和(自身を除く): 6278893

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 487, 775, 875, 1085, 2435, 3409, 3875, 5425, 12175, 15097, 17045, 27125, 60875, 75485, 85225, 105679, 377425, 426125, 528395, 1887125, 2641975, 13209875]

約数ペア:

[(1, 13209875), (5, 2641975), (7, 1887125), (25, 528395), (31, 426125), (35, 377425), (125, 105679), (155, 85225), (175, 75485), (217, 60875), (487, 27125), (775, 17045), (875, 15097), (1085, 12175), (2435, 5425), (3409, 3875)]