121249995

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 197524224

約数和(自身を除く): 76274229

約数列:

[1, 3, 5, 15, 101, 163, 303, 489, 491, 505, 815, 1473, 1515, 2445, 2455, 7365, 16463, 49389, 49591, 80033, 82315, 148773, 240099, 246945, 247955, 400165, 743865, 1200495, 8083333, 24249999, 40416665, 121249995]

約数ペア:

[(1, 121249995), (3, 40416665), (5, 24249999), (15, 8083333), (101, 1200495), (163, 743865), (303, 400165), (489, 247955), (491, 246945), (505, 240099), (815, 148773), (1473, 82315), (1515, 80033), (2445, 49591), (2455, 49389), (7365, 16463)]