81091110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{13721}}^1$

素因数の和:13928

約数の個数: 32

約数和(自身を含む): 195620832

約数和(自身を除く): 114529722

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 5910, 13721, 27442, 41163, 68605, 82326, 137210, 205815, 411630, 2703037, 5406074, 8109111, 13515185, 16218222, 27030370, 40545555, 81091110]

約数ペア:

[(1, 81091110), (2, 40545555), (3, 27030370), (5, 16218222), (6, 13515185), (10, 8109111), (15, 5406074), (30, 2703037), (197, 411630), (394, 205815), (591, 137210), (985, 82326), (1182, 68605), (1970, 41163), (2955, 27442), (5910, 13721)]