201309507

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67987}}^1$

素因数の和:68047

約数の個数: 24

約数和(自身を含む): 339396096

約数和(自身を除く): 138086589

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 67987, 203961, 475909, 611883, 1427727, 3195389, 4283181, 9586167, 22367723, 28758501, 67103169, 201309507]

約数ペア:

[(1, 201309507), (3, 67103169), (7, 28758501), (9, 22367723), (21, 9586167), (47, 4283181), (63, 3195389), (141, 1427727), (329, 611883), (423, 475909), (987, 203961), (2961, 67987)]