28154205

素因数分解:

$3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{967}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 48926592

約数和(自身を除く): 20772387

約数列:

[1, 3, 5, 9, 15, 45, 647, 967, 1941, 2901, 3235, 4835, 5823, 8703, 9705, 14505, 29115, 43515, 625649, 1876947, 3128245, 5630841, 9384735, 28154205]

約数ペア:

[(1, 28154205), (3, 9384735), (5, 5630841), (9, 3128245), (15, 1876947), (45, 625649), (647, 43515), (967, 29115), (1941, 14505), (2901, 9705), (3235, 8703), (4835, 5823)]