25857561

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 38216448

約数和(自身を除く): 12358887

約数列:

[1, 3, 17, 37, 51, 71, 111, 193, 213, 579, 629, 1207, 1887, 2627, 3281, 3621, 7141, 7881, 9843, 13703, 21423, 41109, 44659, 121397, 133977, 232951, 364191, 507011, 698853, 1521033, 8619187, 25857561]

約数ペア:

[(1, 25857561), (3, 8619187), (17, 1521033), (37, 698853), (51, 507011), (71, 364191), (111, 232951), (193, 133977), (213, 121397), (579, 44659), (629, 41109), (1207, 21423), (1887, 13703), (2627, 9843), (3281, 7881), (3621, 7141)]