51486057

素因数分解:

$3^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{823}}^1$

素因数の和:1170

約数の個数: 32

約数和(自身を含む): 87541760

約数和(自身を除く): 36055703

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 331, 823, 993, 2317, 2469, 2979, 5761, 6951, 7407, 8937, 17283, 20853, 22221, 51849, 62559, 155547, 272413, 817239, 1906891, 2451717, 5720673, 7355151, 17162019, 51486057]

約数ペア:

[(1, 51486057), (3, 17162019), (7, 7355151), (9, 5720673), (21, 2451717), (27, 1906891), (63, 817239), (189, 272413), (331, 155547), (823, 62559), (993, 51849), (2317, 22221), (2469, 20853), (2979, 17283), (5761, 8937), (6951, 7407)]