128557773

素因数分解:

$3^4\times {\mathrm{487}}^1\times {\mathrm{3259}}^1$

素因数の和:3758

約数の個数: 20

約数和(自身を含む): 192496480

約数和(自身を除く): 63938707

約数列:

[1, 3, 9, 27, 81, 487, 1461, 3259, 4383, 9777, 13149, 29331, 39447, 87993, 263979, 1587133, 4761399, 14284197, 42852591, 128557773]

約数ペア:

[(1, 128557773), (3, 42852591), (9, 14284197), (27, 4761399), (81, 1587133), (487, 263979), (1461, 87993), (3259, 39447), (4383, 29331), (9777, 13149)]