25981305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{709}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 47712000

約数和(自身を除く): 21730695

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 349, 709, 1047, 1745, 2127, 2443, 3545, 4963, 5235, 7329, 10635, 12215, 14889, 24815, 36645, 74445, 247441, 742323, 1237205, 1732087, 3711615, 5196261, 8660435, 25981305]

約数ペア:

[(1, 25981305), (3, 8660435), (5, 5196261), (7, 3711615), (15, 1732087), (21, 1237205), (35, 742323), (105, 247441), (349, 74445), (709, 36645), (1047, 24815), (1745, 14889), (2127, 12215), (2443, 10635), (3545, 7329), (4963, 5235)]