2178727395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{657233}}^1$

素因数の和:657271

約数の個数: 32

約数和(自身を含む): 3974951232

約数和(自身を除く): 1796223837

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 657233, 1971699, 3286165, 8544029, 9858495, 11172961, 25632087, 33518883, 42720145, 55864805, 128160435, 145248493, 167594415, 435745479, 726242465, 2178727395]

約数ペア:

[(1, 2178727395), (3, 726242465), (5, 435745479), (13, 167594415), (15, 145248493), (17, 128160435), (39, 55864805), (51, 42720145), (65, 33518883), (85, 25632087), (195, 11172961), (221, 9858495), (255, 8544029), (663, 3286165), (1105, 1971699), (3315, 657233)]