1891567197

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{37511}}^1$

素因数の和:37961

約数の個数: 24

約数和(自身を含む): 2949343488

約数和(自身を除く): 1057776291

約数列:

[1, 3, 9, 13, 39, 117, 431, 1293, 3879, 5603, 16809, 37511, 50427, 112533, 337599, 487643, 1462929, 4388787, 16167241, 48501723, 145505169, 210174133, 630522399, 1891567197]

約数ペア:

[(1, 1891567197), (3, 630522399), (9, 210174133), (13, 145505169), (39, 48501723), (117, 16167241), (431, 4388787), (1293, 1462929), (3879, 487643), (5603, 337599), (16809, 112533), (37511, 50427)]