28567791

素因数分解:

$3^2\times 7^1\times {\mathrm{467}}^1\times {\mathrm{971}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 47309184

約数和(自身を除く): 18741393

約数列:

[1, 3, 7, 9, 21, 63, 467, 971, 1401, 2913, 3269, 4203, 6797, 8739, 9807, 20391, 29421, 61173, 453457, 1360371, 3174199, 4081113, 9522597, 28567791]

約数ペア:

[(1, 28567791), (3, 9522597), (7, 4081113), (9, 3174199), (21, 1360371), (63, 453457), (467, 61173), (971, 29421), (1401, 20391), (2913, 9807), (3269, 8739), (4203, 6797)]