20120221191

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1150187}}^1$

素因数の和:1150228

約数の個数: 32

約数和(自身を含む): 33125414400

約数和(自身を除く): 13005193209

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2499, 5831, 17493, 1150187, 3450561, 8051309, 19553179, 24153927, 56359163, 58659537, 136872253, 169077489, 394514141, 410616759, 958105771, 1183542423, 2874317313, 6706740397, 20120221191]

約数ペア:

[(1, 20120221191), (3, 6706740397), (7, 2874317313), (17, 1183542423), (21, 958105771), (49, 410616759), (51, 394514141), (119, 169077489), (147, 136872253), (343, 58659537), (357, 56359163), (833, 24153927), (1029, 19553179), (2499, 8051309), (5831, 3450561), (17493, 1150187)]