421974139

素因数分解:

${\mathrm{31}}^2\times {\mathrm{571}}^1\times {\mathrm{769}}^1$

素因数の和:1402

約数の個数: 12

約数和(自身を含む): 437356920

約数和(自身を除く): 15382781

約数列:

[1, 31, 571, 769, 961, 17701, 23839, 439099, 548731, 739009, 13612069, 421974139]

約数ペア:

[(1, 421974139), (31, 13612069), (571, 739009), (769, 548731), (961, 439099), (17701, 23839)]