28363335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1928

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 32600505

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 1889, 2145, 3003, 5005, 5667, 9445, 13223, 15015, 20779, 24557, 28335, 39669, 62337, 66115, 73671, 103895, 122785, 145453, 171899, 198345, 270127, 311685, 368355, 436359, 515697, 727265, 810381, 859495, 1350635, 1890889, 2181795, 2578485, 4051905, 5672667, 9454445, 28363335]

約数ペア:

[(1, 28363335), (3, 9454445), (5, 5672667), (7, 4051905), (11, 2578485), (13, 2181795), (15, 1890889), (21, 1350635), (33, 859495), (35, 810381), (39, 727265), (55, 515697), (65, 436359), (77, 368355), (91, 311685), (105, 270127), (143, 198345), (165, 171899), (195, 145453), (231, 122785), (273, 103895), (385, 73671), (429, 66115), (455, 62337), (715, 39669), (1001, 28335), (1155, 24557), (1365, 20779), (1889, 15015), (2145, 13223), (3003, 9445), (5005, 5667)]