78636975

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 134991360

約数和(自身を除く): 56354385

約数列:

[1, 3, 5, 15, 25, 41, 75, 107, 123, 205, 239, 321, 535, 615, 717, 1025, 1195, 1605, 2675, 3075, 3585, 4387, 5975, 8025, 9799, 13161, 17925, 21935, 25573, 29397, 48995, 65805, 76719, 109675, 127865, 146985, 244975, 329025, 383595, 639325, 734925, 1048493, 1917975, 3145479, 5242465, 15727395, 26212325, 78636975]

約数ペア:

[(1, 78636975), (3, 26212325), (5, 15727395), (15, 5242465), (25, 3145479), (41, 1917975), (75, 1048493), (107, 734925), (123, 639325), (205, 383595), (239, 329025), (321, 244975), (535, 146985), (615, 127865), (717, 109675), (1025, 76719), (1195, 65805), (1605, 48995), (2675, 29397), (3075, 25573), (3585, 21935), (4387, 17925), (5975, 13161), (8025, 9799)]