209280345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{4057}}^1$

素因数の和:4265

約数の個数: 32

約数和(自身を含む): 354506880

約数和(自身を除く): 145226535

約数列:

[1, 3, 5, 15, 19, 57, 95, 181, 285, 543, 905, 2715, 3439, 4057, 10317, 12171, 17195, 20285, 51585, 60855, 77083, 231249, 385415, 734317, 1156245, 2202951, 3671585, 11014755, 13952023, 41856069, 69760115, 209280345]

約数ペア:

[(1, 209280345), (3, 69760115), (5, 41856069), (15, 13952023), (19, 11014755), (57, 3671585), (95, 2202951), (181, 1156245), (285, 734317), (543, 385415), (905, 231249), (2715, 77083), (3439, 60855), (4057, 51585), (10317, 20285), (12171, 17195)]