25528245

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 42083712

約数和(自身を除く): 16555467

約数列:

[1, 3, 5, 15, 53, 159, 163, 197, 265, 489, 591, 795, 815, 985, 2445, 2955, 8639, 10441, 25917, 31323, 32111, 43195, 52205, 96333, 129585, 156615, 160555, 481665, 1701883, 5105649, 8509415, 25528245]

約数ペア:

[(1, 25528245), (3, 8509415), (5, 5105649), (15, 1701883), (53, 481665), (159, 160555), (163, 156615), (197, 129585), (265, 96333), (489, 52205), (591, 43195), (795, 32111), (815, 31323), (985, 25917), (2445, 10441), (2955, 8639)]