51989145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15683}}^1$

素因数の和:15721

約数の個数: 32

約数和(自身を含む): 94856832

約数和(自身を除く): 42867687

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 15683, 47049, 78415, 203879, 235245, 266611, 611637, 799833, 1019395, 1333055, 3058185, 3465943, 3999165, 10397829, 17329715, 51989145]

約数ペア:

[(1, 51989145), (3, 17329715), (5, 10397829), (13, 3999165), (15, 3465943), (17, 3058185), (39, 1333055), (51, 1019395), (65, 799833), (85, 611637), (195, 266611), (221, 235245), (255, 203879), (663, 78415), (1105, 47049), (3315, 15683)]