8765421

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 14496768

約数和(自身を除く): 5731347

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 571, 731, 903, 1713, 2193, 3997, 5117, 9707, 11991, 15351, 24553, 29121, 67949, 73659, 171871, 203847, 417401, 515613, 1252203, 2921807, 8765421]

約数ペア:

[(1, 8765421), (3, 2921807), (7, 1252203), (17, 515613), (21, 417401), (43, 203847), (51, 171871), (119, 73659), (129, 67949), (301, 29121), (357, 24553), (571, 15351), (731, 11991), (903, 9707), (1713, 5117), (2193, 3997)]