211310731

素因数分解:

${\mathrm{17}}^2\times {\mathrm{47}}^2\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 18

約数和(自身を含む): 230042468

約数和(自身を除く): 18731737

約数列:

[1, 17, 47, 289, 331, 799, 2209, 5627, 13583, 15557, 37553, 95659, 264469, 638401, 731179, 4495973, 12430043, 211310731]

約数ペア:

[(1, 211310731), (17, 12430043), (47, 4495973), (289, 731179), (331, 638401), (799, 264469), (2209, 95659), (5627, 37553), (13583, 15557)]