81909281

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 89812800

約数和(自身を除く): 7903519

約数列:

[1, 17, 43, 89, 731, 1259, 1513, 3827, 21403, 54137, 65059, 112051, 920329, 1904867, 4818193, 81909281]

約数ペア:

[(1, 81909281), (17, 4818193), (43, 1904867), (89, 920329), (731, 112051), (1259, 65059), (1513, 54137), (3827, 21403)]