27948765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8431}}^1$

素因数の和:8469

約数の個数: 32

約数和(自身を含む): 50996736

約数和(自身を除く): 23047971

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8431, 25293, 42155, 109603, 126465, 143327, 328809, 429981, 548015, 716635, 1644045, 1863251, 2149905, 5589753, 9316255, 27948765]

約数ペア:

[(1, 27948765), (3, 9316255), (5, 5589753), (13, 2149905), (15, 1863251), (17, 1644045), (39, 716635), (51, 548015), (65, 429981), (85, 328809), (195, 143327), (221, 126465), (255, 109603), (663, 42155), (1105, 25293), (3315, 8431)]