28637895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 26197305

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 79, 143, 165, 169, 195, 237, 395, 429, 507, 715, 845, 869, 1027, 1185, 1859, 2145, 2197, 2535, 2607, 3081, 4345, 5135, 5577, 6591, 9295, 10985, 11297, 13035, 13351, 15405, 24167, 27885, 32955, 33891, 40053, 56485, 66755, 72501, 120835, 146861, 169455, 173563, 200265, 362505, 440583, 520689, 734305, 867815, 1909193, 2202915, 2603445, 5727579, 9545965, 28637895]

約数ペア:

[(1, 28637895), (3, 9545965), (5, 5727579), (11, 2603445), (13, 2202915), (15, 1909193), (33, 867815), (39, 734305), (55, 520689), (65, 440583), (79, 362505), (143, 200265), (165, 173563), (169, 169455), (195, 146861), (237, 120835), (395, 72501), (429, 66755), (507, 56485), (715, 40053), (845, 33891), (869, 32955), (1027, 27885), (1185, 24167), (1859, 15405), (2145, 13351), (2197, 13035), (2535, 11297), (2607, 10985), (3081, 9295), (4345, 6591), (5135, 5577)]