209225985

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{1031}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 341203968

約数和(自身を除く): 131977983

約数列:

[1, 3, 5, 15, 83, 163, 249, 415, 489, 815, 1031, 1245, 2445, 3093, 5155, 13529, 15465, 40587, 67645, 85573, 168053, 202935, 256719, 427865, 504159, 840265, 1283595, 2520795, 13948399, 41845197, 69741995, 209225985]

約数ペア:

[(1, 209225985), (3, 69741995), (5, 41845197), (15, 13948399), (83, 2520795), (163, 1283595), (249, 840265), (415, 504159), (489, 427865), (815, 256719), (1031, 202935), (1245, 168053), (2445, 85573), (3093, 67645), (5155, 40587), (13529, 15465)]