556713

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 873600

約数和(自身を除く): 316887

約数列:

[1, 3, 9, 27, 29, 79, 81, 87, 237, 243, 261, 711, 783, 2133, 2291, 2349, 6399, 6873, 7047, 19197, 20619, 61857, 185571, 556713]

約数ペア:

[(1, 556713), (3, 185571), (9, 61857), (27, 20619), (29, 19197), (79, 7047), (81, 6873), (87, 6399), (237, 2349), (243, 2291), (261, 2133), (711, 783)]