51804207

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 94302208

約数和(自身を除く): 42498001

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 819, 903, 1471, 1677, 2709, 3913, 4413, 5031, 10297, 11739, 13239, 19123, 30891, 35217, 57369, 63253, 92673, 133861, 172107, 189759, 401583, 442771, 569277, 822289, 1204749, 1328313, 2466867, 3984939, 5756023, 7400601, 17268069, 51804207]

約数ペア:

[(1, 51804207), (3, 17268069), (7, 7400601), (9, 5756023), (13, 3984939), (21, 2466867), (39, 1328313), (43, 1204749), (63, 822289), (91, 569277), (117, 442771), (129, 401583), (273, 189759), (301, 172107), (387, 133861), (559, 92673), (819, 63253), (903, 57369), (1471, 35217), (1677, 30891), (2709, 19123), (3913, 13239), (4413, 11739), (5031, 10297)]