25200063

素因数分解:

$3^2\times 7^2\times {\mathrm{57143}}^1$

素因数の和:57163

約数の個数: 18

約数和(自身を含む): 42343704

約数和(自身を除く): 17143641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 57143, 171429, 400001, 514287, 1200003, 2800007, 3600009, 8400021, 25200063]

約数ペア:

[(1, 25200063), (3, 8400021), (7, 3600009), (9, 2800007), (21, 1200003), (49, 514287), (63, 400001), (147, 171429), (441, 57143)]