2109807

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^2$

素因数の和:141

約数の個数: 30

約数和(自身を含む): 3661944

約数和(自身を除く): 1552137

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 3721, 3843, 4941, 11163, 11529, 26047, 33489, 34587, 78141, 100467, 234423, 301401, 703269, 2109807]

約数ペア:

[(1, 2109807), (3, 703269), (7, 301401), (9, 234423), (21, 100467), (27, 78141), (61, 34587), (63, 33489), (81, 26047), (183, 11529), (189, 11163), (427, 4941), (549, 3843), (567, 3721), (1281, 1647)]