205759515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 370427904

約数和(自身を除く): 164668389

約数列:

[1, 3, 5, 13, 15, 39, 43, 53, 65, 129, 159, 195, 215, 265, 463, 559, 645, 689, 795, 1389, 1677, 2067, 2279, 2315, 2795, 3445, 6019, 6837, 6945, 8385, 10335, 11395, 18057, 19909, 24539, 29627, 30095, 34185, 59727, 73617, 88881, 90285, 99545, 122695, 148135, 258817, 298635, 319007, 368085, 444405, 776451, 957021, 1055177, 1294085, 1595035, 3165531, 3882255, 4785105, 5275885, 13717301, 15827655, 41151903, 68586505, 205759515]

約数ペア:

[(1, 205759515), (3, 68586505), (5, 41151903), (13, 15827655), (15, 13717301), (39, 5275885), (43, 4785105), (53, 3882255), (65, 3165531), (129, 1595035), (159, 1294085), (195, 1055177), (215, 957021), (265, 776451), (463, 444405), (559, 368085), (645, 319007), (689, 298635), (795, 258817), (1389, 148135), (1677, 122695), (2067, 99545), (2279, 90285), (2315, 88881), (2795, 73617), (3445, 59727), (6019, 34185), (6837, 30095), (6945, 29627), (8385, 24539), (10335, 19909), (11395, 18057)]