28740795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2815

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 21155205

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 2749, 3485, 8247, 10455, 13745, 41235, 46733, 112709, 140199, 233665, 338127, 563545, 700995, 1690635, 1916053, 5748159, 9580265, 28740795]

約数ペア:

[(1, 28740795), (3, 9580265), (5, 5748159), (15, 1916053), (17, 1690635), (41, 700995), (51, 563545), (85, 338127), (123, 233665), (205, 140199), (255, 112709), (615, 46733), (697, 41235), (2091, 13745), (2749, 10455), (3485, 8247)]