68156721

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{17903}}^1$

素因数の和:17962

約数の個数: 20

約数和(自身を含む): 103986432

約数和(自身を除く): 35829711

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 17903, 53709, 161127, 483381, 841441, 1450143, 2524323, 7572969, 22718907, 68156721]

約数ペア:

[(1, 68156721), (3, 22718907), (9, 7572969), (27, 2524323), (47, 1450143), (81, 841441), (141, 483381), (423, 161127), (1269, 53709), (3807, 17903)]