28049115

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43487}}^1$

素因数の和:43538

約数の個数: 16

約数和(自身を含む): 45923328

約数和(自身を除く): 17874213

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43487, 130461, 217435, 652305, 1869941, 5609823, 9349705, 28049115]

約数ペア:

[(1, 28049115), (3, 9349705), (5, 5609823), (15, 1869941), (43, 652305), (129, 217435), (215, 130461), (645, 43487)]