127984689

素因数分解:

$3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{4967}}^1$

素因数の和:5389

約数の個数: 24

約数和(自身を含む): 211835520

約数和(自身を除く): 83850831

約数列:

[1, 3, 7, 9, 21, 63, 409, 1227, 2863, 3681, 4967, 8589, 14901, 25767, 34769, 44703, 104307, 312921, 2031503, 6094509, 14220521, 18283527, 42661563, 127984689]

約数ペア:

[(1, 127984689), (3, 42661563), (7, 18283527), (9, 14220521), (21, 6094509), (63, 2031503), (409, 312921), (1227, 104307), (2863, 44703), (3681, 34769), (4967, 25767), (8589, 14901)]