28063791

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1451}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 46510464

約数和(自身を除く): 18446673

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 1451, 2149, 2763, 4353, 6447, 10157, 13059, 19341, 30471, 91413, 445457, 1336371, 3118199, 4009113, 9354597, 28063791]

約数ペア:

[(1, 28063791), (3, 9354597), (7, 4009113), (9, 3118199), (21, 1336371), (63, 445457), (307, 91413), (921, 30471), (1451, 19341), (2149, 13059), (2763, 10157), (4353, 6447)]