87486981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 128832768

約数和(自身を除く): 41345787

約数列:

[1, 3, 17, 37, 51, 71, 111, 213, 629, 653, 1207, 1887, 1959, 2627, 3621, 7881, 11101, 24161, 33303, 44659, 46363, 72483, 133977, 139089, 410737, 788171, 1232211, 1715431, 2364513, 5146293, 29162327, 87486981]

約数ペア:

[(1, 87486981), (3, 29162327), (17, 5146293), (37, 2364513), (51, 1715431), (71, 1232211), (111, 788171), (213, 410737), (629, 139089), (653, 133977), (1207, 72483), (1887, 46363), (1959, 44659), (2627, 33303), (3621, 24161), (7881, 11101)]