25725147

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 14494053

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 1259, 2919, 3777, 6811, 8813, 20433, 26439, 61691, 175001, 185073, 525003, 1225007, 3675021, 8575049, 25725147]

約数ペア:

[(1, 25725147), (3, 8575049), (7, 3675021), (21, 1225007), (49, 525003), (139, 185073), (147, 175001), (417, 61691), (973, 26439), (1259, 20433), (2919, 8813), (3777, 6811)]