51316863

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 81490080

約数和(自身を除く): 30173217

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 157, 221, 289, 377, 471, 493, 663, 867, 1131, 1479, 2041, 2669, 3757, 4553, 6123, 6409, 8007, 8381, 11271, 13659, 19227, 25143, 34697, 45373, 59189, 77401, 104091, 108953, 136119, 177567, 232203, 326859, 589849, 1006213, 1315817, 1769547, 3018639, 3947451, 17105621, 51316863]

約数ペア:

[(1, 51316863), (3, 17105621), (13, 3947451), (17, 3018639), (29, 1769547), (39, 1315817), (51, 1006213), (87, 589849), (157, 326859), (221, 232203), (289, 177567), (377, 136119), (471, 108953), (493, 104091), (663, 77401), (867, 59189), (1131, 45373), (1479, 34697), (2041, 25143), (2669, 19227), (3757, 13659), (4553, 11271), (6123, 8381), (6409, 8007)]