51988458123

素因数分解:

$3^3\times 7^1\times {\mathrm{691}}^1\times {\mathrm{398077}}^1$

素因数の和:398784

約数の個数: 32

約数和(自身を含む): 88150392320

約数和(自身を除く): 36161934197

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 691, 2073, 4837, 6219, 14511, 18657, 43533, 130599, 398077, 1194231, 2786539, 3582693, 8359617, 10748079, 25078851, 75236553, 275071207, 825213621, 1925498449, 2475640863, 5776495347, 7426922589, 17329486041, 51988458123]

約数ペア:

[(1, 51988458123), (3, 17329486041), (7, 7426922589), (9, 5776495347), (21, 2475640863), (27, 1925498449), (63, 825213621), (189, 275071207), (691, 75236553), (2073, 25078851), (4837, 10748079), (6219, 8359617), (14511, 3582693), (18657, 2786539), (43533, 1194231), (130599, 398077)]