86138913

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{30841}}^1$

素因数の和:30877

約数の個数: 24

約数和(自身を含む): 140639520

約数和(自身を除く): 54500607

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 30841, 92523, 215887, 585979, 647661, 1511209, 1757937, 4101853, 4533627, 12305559, 28712971, 86138913]

約数ペア:

[(1, 86138913), (3, 28712971), (7, 12305559), (19, 4533627), (21, 4101853), (49, 1757937), (57, 1511209), (133, 647661), (147, 585979), (399, 215887), (931, 92523), (2793, 30841)]