525609

素因数分解:

$3^6\times 7^1\times {\mathrm{103}}^1$

素因数の和:128

約数の個数: 28

約数和(自身を含む): 909376

約数和(自身を除く): 383767

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 243, 309, 567, 721, 729, 927, 1701, 2163, 2781, 5103, 6489, 8343, 19467, 25029, 58401, 75087, 175203, 525609]

約数ペア:

[(1, 525609), (3, 175203), (7, 75087), (9, 58401), (21, 25029), (27, 19467), (63, 8343), (81, 6489), (103, 5103), (189, 2781), (243, 2163), (309, 1701), (567, 927), (721, 729)]