71881551

素因数分解:

$3^2\times 7^1\times {\mathrm{877}}^1\times {\mathrm{1301}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 118888224

約数和(自身を除く): 47006673

約数列:

[1, 3, 7, 9, 21, 63, 877, 1301, 2631, 3903, 6139, 7893, 9107, 11709, 18417, 27321, 55251, 81963, 1140977, 3422931, 7986839, 10268793, 23960517, 71881551]

約数ペア:

[(1, 71881551), (3, 23960517), (7, 10268793), (9, 7986839), (21, 3422931), (63, 1140977), (877, 81963), (1301, 55251), (2631, 27321), (3903, 18417), (6139, 11709), (7893, 9107)]