128567229

素因数分解:

$3^1\times 7^2\times {\mathrm{463}}^1\times {\mathrm{1889}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 199946880

約数和(自身を除く): 71379651

約数列:

[1, 3, 7, 21, 49, 147, 463, 1389, 1889, 3241, 5667, 9723, 13223, 22687, 39669, 68061, 92561, 277683, 874607, 2623821, 6122249, 18366747, 42855743, 128567229]

約数ペア:

[(1, 128567229), (3, 42855743), (7, 18366747), (21, 6122249), (49, 2623821), (147, 874607), (463, 277683), (1389, 92561), (1889, 68061), (3241, 39669), (5667, 22687), (9723, 13223)]