51240861

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26237}}^1$

素因数の和:26281

約数の個数: 24

約数和(自身を含む): 87320064

約数和(自身を除く): 36079203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 26237, 78711, 183659, 236133, 550977, 813347, 1652931, 2440041, 5693429, 7320123, 17080287, 51240861]

約数ペア:

[(1, 51240861), (3, 17080287), (7, 7320123), (9, 5693429), (21, 2440041), (31, 1652931), (63, 813347), (93, 550977), (217, 236133), (279, 183659), (651, 78711), (1953, 26237)]