81929029

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3137}}^1$

素因数の和:3205

約数の個数: 24

約数和(自身を含む): 105173208

約数和(自身を除く): 23244179

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 2009, 3137, 3731, 21959, 26117, 40781, 128617, 153713, 285467, 900319, 1672021, 1998269, 6302233, 11704147, 81929029]

約数ペア:

[(1, 81929029), (7, 11704147), (13, 6302233), (41, 1998269), (49, 1672021), (91, 900319), (287, 285467), (533, 153713), (637, 128617), (2009, 40781), (3137, 26117), (3731, 21959)]