81968327

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 97812000

約数和(自身を除く): 15843673

約数列:

[1, 7, 49, 103, 109, 149, 721, 763, 1043, 5047, 5341, 7301, 11227, 15347, 16241, 78589, 107429, 113687, 550123, 752003, 795809, 1672823, 11709761, 81968327]

約数ペア:

[(1, 81968327), (7, 11709761), (49, 1672823), (103, 795809), (109, 752003), (149, 550123), (721, 113687), (763, 107429), (1043, 78589), (5047, 16241), (5341, 15347), (7301, 11227)]