278311851

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{2153}}^1$

素因数の和:2483

約数の個数: 24

約数和(自身を含む): 411293376

約数和(自身を除く): 132981525

約数列:

[1, 3, 9, 53, 159, 271, 477, 813, 2153, 2439, 6459, 14363, 19377, 43089, 114109, 129267, 342327, 583463, 1026981, 1750389, 5251167, 30923539, 92770617, 278311851]

約数ペア:

[(1, 278311851), (3, 92770617), (9, 30923539), (53, 5251167), (159, 1750389), (271, 1026981), (477, 583463), (813, 342327), (2153, 129267), (2439, 114109), (6459, 43089), (14363, 19377)]