212934609

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 321857280

約数和(自身を除く): 108922671

約数列:

[1, 3, 9, 27, 71, 213, 277, 401, 639, 831, 1203, 1917, 2493, 3609, 7479, 10827, 19667, 28471, 59001, 85413, 111077, 177003, 256239, 333231, 531009, 768717, 999693, 2999079, 7886467, 23659401, 70978203, 212934609]

約数ペア:

[(1, 212934609), (3, 70978203), (9, 23659401), (27, 7886467), (71, 2999079), (213, 999693), (277, 768717), (401, 531009), (639, 333231), (831, 256239), (1203, 177003), (1917, 111077), (2493, 85413), (3609, 59001), (7479, 28471), (10827, 19667)]