28055745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27107}}^1$

素因数の和:27141

約数の個数: 24

約数和(自身を含む): 50746176

約数和(自身を除く): 22690431

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27107, 81321, 135535, 243963, 406605, 623461, 1219815, 1870383, 3117305, 5611149, 9351915, 28055745]

約数ペア:

[(1, 28055745), (3, 9351915), (5, 5611149), (9, 3117305), (15, 1870383), (23, 1219815), (45, 623461), (69, 406605), (115, 243963), (207, 135535), (345, 81321), (1035, 27107)]