2808021255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{1091}}^1$

素因数の和:1376

約数の個数: 64

約数和(自身を含む): 4940103168

約数和(自身を除く): 2132081913

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 197, 201, 335, 591, 871, 985, 1005, 1091, 2561, 2613, 2955, 3273, 4355, 5455, 7683, 12805, 13065, 13199, 14183, 16365, 38415, 39597, 42549, 65995, 70915, 73097, 171587, 197985, 212745, 214927, 219291, 365485, 514761, 644781, 857935, 950261, 1074635, 1096455, 2573805, 2794051, 2850783, 3223905, 4751305, 8382153, 13970255, 14253915, 14400109, 41910765, 43200327, 72000545, 187201417, 216001635, 561604251, 936007085, 2808021255]

約数ペア:

[(1, 2808021255), (3, 936007085), (5, 561604251), (13, 216001635), (15, 187201417), (39, 72000545), (65, 43200327), (67, 41910765), (195, 14400109), (197, 14253915), (201, 13970255), (335, 8382153), (591, 4751305), (871, 3223905), (985, 2850783), (1005, 2794051), (1091, 2573805), (2561, 1096455), (2613, 1074635), (2955, 950261), (3273, 857935), (4355, 644781), (5455, 514761), (7683, 365485), (12805, 219291), (13065, 214927), (13199, 212745), (14183, 197985), (16365, 171587), (38415, 73097), (39597, 70915), (42549, 65995)]