28200045

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43721}}^1$

素因数の和:43772

約数の個数: 16

約数和(自身を含む): 46170432

約数和(自身を除く): 17970387

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43721, 131163, 218605, 655815, 1880003, 5640009, 9400015, 28200045]

約数ペア:

[(1, 28200045), (3, 9400015), (5, 5640009), (15, 1880003), (43, 655815), (129, 218605), (215, 131163), (645, 43721)]