71428719

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 99344640

約数和(自身を除く): 27915921

約数列:

[1, 3, 43, 79, 129, 163, 237, 489, 1849, 3397, 5547, 7009, 10191, 12877, 21027, 38631, 146071, 301387, 438213, 553711, 904161, 1661133, 23809573, 71428719]

約数ペア:

[(1, 71428719), (3, 23809573), (43, 1661133), (79, 904161), (129, 553711), (163, 438213), (237, 301387), (489, 146071), (1849, 38631), (3397, 21027), (5547, 12877), (7009, 10191)]