2687702955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{128629}}^1$

素因数の和:128843

約数の個数: 32

約数和(自身を含む): 4939392000

約数和(自身を除く): 2251689045

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 1393, 2985, 4179, 6965, 20895, 128629, 385887, 643145, 900403, 1929435, 2701209, 4502015, 13506045, 25597171, 76791513, 127985855, 179180197, 383957565, 537540591, 895900985, 2687702955]

約数ペア:

[(1, 2687702955), (3, 895900985), (5, 537540591), (7, 383957565), (15, 179180197), (21, 127985855), (35, 76791513), (105, 25597171), (199, 13506045), (597, 4502015), (995, 2701209), (1393, 1929435), (2985, 900403), (4179, 643145), (6965, 385887), (20895, 128629)]