1670139

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 28

約数和(自身を含む): 2623200

約数和(自身を除く): 953061

約数列:

[1, 3, 9, 27, 29, 79, 81, 87, 237, 243, 261, 711, 729, 783, 2133, 2291, 2349, 6399, 6873, 7047, 19197, 20619, 21141, 57591, 61857, 185571, 556713, 1670139]

約数ペア:

[(1, 1670139), (3, 556713), (9, 185571), (27, 61857), (29, 57591), (79, 21141), (81, 20619), (87, 19197), (237, 7047), (243, 6873), (261, 6399), (711, 2349), (729, 2291), (783, 2133)]