18785277

素因数分解:

$3^4\times 7^2\times {\mathrm{4733}}^1$

素因数の和:4759

約数の個数: 30

約数和(自身を含む): 32650398

約数和(自身を除く): 13865121

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4733, 14199, 33131, 42597, 99393, 127791, 231917, 298179, 383373, 695751, 894537, 2087253, 2683611, 6261759, 18785277]

約数ペア:

[(1, 18785277), (3, 6261759), (7, 2683611), (9, 2087253), (21, 894537), (27, 695751), (49, 383373), (63, 298179), (81, 231917), (147, 127791), (189, 99393), (441, 42597), (567, 33131), (1323, 14199), (3969, 4733)]