210528525

素因数分解:

$3^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{5717}}^1$

素因数の和:6221

約数の個数: 24

約数和(自身を含む): 348843744

約数和(自身を除く): 138315219

約数列:

[1, 3, 5, 15, 25, 75, 491, 1473, 2455, 5717, 7365, 12275, 17151, 28585, 36825, 85755, 142925, 428775, 2807047, 8421141, 14035235, 42105705, 70176175, 210528525]

約数ペア:

[(1, 210528525), (3, 70176175), (5, 42105705), (15, 14035235), (25, 8421141), (75, 2807047), (491, 428775), (1473, 142925), (2455, 85755), (5717, 36825), (7365, 28585), (12275, 17151)]