25210395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 50349312

約数和(自身を除く): 25138917

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 163, 315, 489, 491, 815, 1141, 1467, 1473, 2445, 2455, 3423, 3437, 4419, 5705, 7335, 7365, 10269, 10311, 17115, 17185, 22095, 30933, 51345, 51555, 80033, 154665, 240099, 400165, 560231, 720297, 1200495, 1680693, 2801155, 3601485, 5042079, 8403465, 25210395]

約数ペア:

[(1, 25210395), (3, 8403465), (5, 5042079), (7, 3601485), (9, 2801155), (15, 1680693), (21, 1200495), (35, 720297), (45, 560231), (63, 400165), (105, 240099), (163, 154665), (315, 80033), (489, 51555), (491, 51345), (815, 30933), (1141, 22095), (1467, 17185), (1473, 17115), (2445, 10311), (2455, 10269), (3423, 7365), (3437, 7335), (4419, 5705)]