260521233

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{51907}}^1$

素因数の和:52156

約数の個数: 16

約数和(自身を含む): 398653440

約数和(自身を除く): 138132207

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 51907, 155721, 363349, 1090047, 12405773, 37217319, 86840411, 260521233]

約数ペア:

[(1, 260521233), (3, 86840411), (7, 37217319), (21, 12405773), (239, 1090047), (717, 363349), (1673, 155721), (5019, 51907)]