51868431

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{6217}}^1$

素因数の和:6332

約数の個数: 20

約数和(自身を含む): 78247312

約数和(自身を除く): 26378881

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 6217, 8343, 18651, 55953, 167859, 503577, 640351, 1921053, 5763159, 17289477, 51868431]

約数ペア:

[(1, 51868431), (3, 17289477), (9, 5763159), (27, 1921053), (81, 640351), (103, 503577), (309, 167859), (927, 55953), (2781, 18651), (6217, 8343)]