51534711

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 81768960

約数和(自身を除く): 30234249

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 103, 213, 243, 261, 309, 639, 783, 927, 1917, 2059, 2349, 2781, 2987, 5751, 6177, 7047, 7313, 8343, 8961, 17253, 18531, 21939, 25029, 26883, 55593, 65817, 80649, 166779, 197451, 212077, 241947, 500337, 592353, 636231, 725841, 1777059, 1908693, 5726079, 17178237, 51534711]

約数ペア:

[(1, 51534711), (3, 17178237), (9, 5726079), (27, 1908693), (29, 1777059), (71, 725841), (81, 636231), (87, 592353), (103, 500337), (213, 241947), (243, 212077), (261, 197451), (309, 166779), (639, 80649), (783, 65817), (927, 55593), (1917, 26883), (2059, 25029), (2349, 21939), (2781, 18531), (2987, 17253), (5751, 8961), (6177, 8343), (7047, 7313)]