51815205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3851}}^1$

素因数の和:3898

約数の個数: 48

約数和(自身を含む): 100953216

約数和(自身を除く): 49138011

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 3851, 4485, 11553, 13455, 19255, 34659, 50063, 57765, 88573, 150189, 173295, 250315, 265719, 442865, 450567, 750945, 797157, 1151449, 1328595, 2252835, 3454347, 3985785, 5757245, 10363041, 17271735, 51815205]

約数ペア:

[(1, 51815205), (3, 17271735), (5, 10363041), (9, 5757245), (13, 3985785), (15, 3454347), (23, 2252835), (39, 1328595), (45, 1151449), (65, 797157), (69, 750945), (115, 450567), (117, 442865), (195, 265719), (207, 250315), (299, 173295), (345, 150189), (585, 88573), (897, 57765), (1035, 50063), (1495, 34659), (2691, 19255), (3851, 13455), (4485, 11553)]