28159575

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{1223}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 46747008

約数和(自身を除く): 18587433

約数列:

[1, 3, 5, 15, 25, 75, 307, 921, 1223, 1535, 3669, 4605, 6115, 7675, 18345, 23025, 30575, 91725, 375461, 1126383, 1877305, 5631915, 9386525, 28159575]

約数ペア:

[(1, 28159575), (3, 9386525), (5, 5631915), (15, 1877305), (25, 1126383), (75, 375461), (307, 91725), (921, 30575), (1223, 23025), (1535, 18345), (3669, 7675), (4605, 6115)]