65580021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15149}}^1$

素因数の和:15205

約数の個数: 24

約数和(自身を含む): 104777400

約数和(自身を除く): 39197379

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 15149, 45447, 136341, 196937, 560513, 590811, 1681539, 1772433, 5044617, 7286669, 21860007, 65580021]

約数ペア:

[(1, 65580021), (3, 21860007), (9, 7286669), (13, 5044617), (37, 1772433), (39, 1681539), (111, 590811), (117, 560513), (333, 196937), (481, 136341), (1443, 45447), (4329, 15149)]