1023855

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{199}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 1920000

約数和(自身を除く): 896145

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 199, 245, 343, 597, 735, 995, 1029, 1393, 1715, 2985, 4179, 5145, 6965, 9751, 20895, 29253, 48755, 68257, 146265, 204771, 341285, 1023855]

約数ペア:

[(1, 1023855), (3, 341285), (5, 204771), (7, 146265), (15, 68257), (21, 48755), (35, 29253), (49, 20895), (105, 9751), (147, 6965), (199, 5145), (245, 4179), (343, 2985), (597, 1715), (735, 1393), (995, 1029)]