51520161

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9697}}^1$

素因数の和:9741

約数の個数: 32

約数和(自身を含む): 89376768

約数和(自身を除く): 37856607

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 9697, 29091, 67879, 106667, 203637, 223031, 320001, 669093, 746669, 1561217, 2240007, 2453341, 4683651, 7360023, 17173387, 51520161]

約数ペア:

[(1, 51520161), (3, 17173387), (7, 7360023), (11, 4683651), (21, 2453341), (23, 2240007), (33, 1561217), (69, 746669), (77, 669093), (161, 320001), (231, 223031), (253, 203637), (483, 106667), (759, 67879), (1771, 29091), (5313, 9697)]