16663005

素因数分解:

$3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1061}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 28992600

約数和(自身を除く): 12329595

約数列:

[1, 3, 5, 9, 15, 45, 349, 1047, 1061, 1745, 3141, 3183, 5235, 5305, 9549, 15705, 15915, 47745, 370289, 1110867, 1851445, 3332601, 5554335, 16663005]

約数ペア:

[(1, 16663005), (3, 5554335), (5, 3332601), (9, 1851445), (15, 1110867), (45, 370289), (349, 47745), (1047, 15915), (1061, 15705), (1745, 9549), (3141, 5305), (3183, 5235)]