199968285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{2381}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 349868160

約数和(自身を除く): 149899875

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 509, 1527, 2381, 2545, 5599, 7143, 7635, 11905, 16797, 26191, 27995, 35715, 78573, 83985, 130955, 392865, 1211929, 3635787, 6059645, 13331219, 18178935, 39993657, 66656095, 199968285]

約数ペア:

[(1, 199968285), (3, 66656095), (5, 39993657), (11, 18178935), (15, 13331219), (33, 6059645), (55, 3635787), (165, 1211929), (509, 392865), (1527, 130955), (2381, 83985), (2545, 78573), (5599, 35715), (7143, 27995), (7635, 26191), (11905, 16797)]