28481205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 49068288

約数和(自身を除く): 20587083

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 1831, 3111, 5185, 5493, 9155, 15555, 27465, 31127, 93381, 111691, 155635, 335073, 466905, 558455, 1675365, 1898747, 5696241, 9493735, 28481205]

約数ペア:

[(1, 28481205), (3, 9493735), (5, 5696241), (15, 1898747), (17, 1675365), (51, 558455), (61, 466905), (85, 335073), (183, 155635), (255, 111691), (305, 93381), (915, 31127), (1037, 27465), (1831, 15555), (3111, 9155), (5185, 5493)]