1285557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 2241792

約数和(自身を除く): 956235

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 277, 357, 663, 831, 1547, 1939, 3601, 4641, 4709, 5817, 10803, 14127, 25207, 32963, 61217, 75621, 98889, 183651, 428519, 1285557]

約数ペア:

[(1, 1285557), (3, 428519), (7, 183651), (13, 98889), (17, 75621), (21, 61217), (39, 32963), (51, 25207), (91, 14127), (119, 10803), (221, 5817), (273, 4709), (277, 4641), (357, 3601), (663, 1939), (831, 1547)]