68987745

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10289}}^1$

素因数の和:10449

約数の個数: 24

約数和(自身を含む): 120393000

約数和(自身を除く): 51405255

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 6705, 10289, 30867, 51445, 92601, 154335, 463005, 1533061, 4599183, 7665305, 13797549, 22995915, 68987745]

約数ペア:

[(1, 68987745), (3, 22995915), (5, 13797549), (9, 7665305), (15, 4599183), (45, 1533061), (149, 463005), (447, 154335), (745, 92601), (1341, 51445), (2235, 30867), (6705, 10289)]