257868609

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{27701}}^1$

素因数の和:27840

約数の個数: 16

約数和(自身を含む): 359017920

約数和(自身を除く): 101149311

約数列:

[1, 3, 29, 87, 107, 321, 3103, 9309, 27701, 83103, 803329, 2409987, 2964007, 8892021, 85956203, 257868609]

約数ペア:

[(1, 257868609), (3, 85956203), (29, 8892021), (87, 2964007), (107, 2409987), (321, 803329), (3103, 83103), (9309, 27701)]