289487541

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 475200000

約数和(自身を除く): 185712459

約数列:

[1, 3, 7, 21, 29, 49, 87, 89, 109, 147, 203, 267, 327, 343, 609, 623, 763, 1029, 1421, 1869, 2289, 2581, 3161, 4263, 4361, 5341, 7743, 9483, 9701, 9947, 13083, 16023, 18067, 22127, 29103, 29841, 30527, 37387, 54201, 66381, 67907, 91581, 112161, 126469, 154889, 203721, 281329, 379407, 464667, 475349, 843987, 885283, 1084223, 1426047, 1969303, 2655849, 3252669, 3327443, 5907909, 9982329, 13785121, 41355363, 96495847, 289487541]

約数ペア:

[(1, 289487541), (3, 96495847), (7, 41355363), (21, 13785121), (29, 9982329), (49, 5907909), (87, 3327443), (89, 3252669), (109, 2655849), (147, 1969303), (203, 1426047), (267, 1084223), (327, 885283), (343, 843987), (609, 475349), (623, 464667), (763, 379407), (1029, 281329), (1421, 203721), (1869, 154889), (2289, 126469), (2581, 112161), (3161, 91581), (4263, 67907), (4361, 66381), (5341, 54201), (7743, 37387), (9483, 30527), (9701, 29841), (9947, 29103), (13083, 22127), (16023, 18067)]