28150275

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16319}}^1$

素因数の和:16355

約数の個数: 24

約数和(自身を含む): 48568320

約数和(自身を除く): 20418045

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16319, 48957, 81595, 244785, 375337, 407975, 1126011, 1223925, 1876685, 5630055, 9383425, 28150275]

約数ペア:

[(1, 28150275), (3, 9383425), (5, 5630055), (15, 1876685), (23, 1223925), (25, 1126011), (69, 407975), (75, 375337), (115, 244785), (345, 81595), (575, 48957), (1725, 16319)]