252705765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{76231}}^1$

素因数の和:76269

約数の個数: 32

約数和(自身を含む): 461051136

約数和(自身を除く): 208345371

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 76231, 228693, 381155, 991003, 1143465, 1295927, 2973009, 3887781, 4955015, 6479635, 14865045, 16847051, 19438905, 50541153, 84235255, 252705765]

約数ペア:

[(1, 252705765), (3, 84235255), (5, 50541153), (13, 19438905), (15, 16847051), (17, 14865045), (39, 6479635), (51, 4955015), (65, 3887781), (85, 2973009), (195, 1295927), (221, 1143465), (255, 991003), (663, 381155), (1105, 228693), (3315, 76231)]