2005388541

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1\times {\mathrm{787}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 3235464960

約数和(自身を除く): 1230076419

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 751, 787, 1131, 2253, 2361, 3393, 6759, 7083, 9763, 10231, 21779, 22823, 29289, 30693, 65337, 68469, 87867, 92079, 196011, 205407, 283127, 296699, 591037, 849381, 890097, 1773111, 2548143, 2670291, 5319333, 7683481, 17140073, 23050443, 51420219, 69151329, 154260657, 222820949, 668462847, 2005388541]

約数ペア:

[(1, 2005388541), (3, 668462847), (9, 222820949), (13, 154260657), (29, 69151329), (39, 51420219), (87, 23050443), (117, 17140073), (261, 7683481), (377, 5319333), (751, 2670291), (787, 2548143), (1131, 1773111), (2253, 890097), (2361, 849381), (3393, 591037), (6759, 296699), (7083, 283127), (9763, 205407), (10231, 196011), (21779, 92079), (22823, 87867), (29289, 68469), (30693, 65337)]