975807

素因数分解:

$3^4\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1740

約数の個数: 20

約数和(自身を含む): 1666896

約数和(自身を除く): 691089

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1721, 5163, 12047, 15489, 36141, 46467, 108423, 139401, 325269, 975807]

約数ペア:

[(1, 975807), (3, 325269), (7, 139401), (9, 108423), (21, 46467), (27, 36141), (63, 15489), (81, 12047), (189, 5163), (567, 1721)]