51249261

素因数分解:

$3^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{4289}}^1$

素因数の和:4868

約数の個数: 16

約数和(自身を含む): 78249600

約数和(自身を除く): 27000339

約数列:

[1, 3, 7, 21, 569, 1707, 3983, 4289, 11949, 12867, 30023, 90069, 2440441, 7321323, 17083087, 51249261]

約数ペア:

[(1, 51249261), (3, 17083087), (7, 7321323), (21, 2440441), (569, 90069), (1707, 30023), (3983, 12867), (4289, 11949)]