215159971

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^4\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 20

約数和(自身を含む): 246509312

約数和(自身を除く): 31349341

約数列:

[1, 13, 19, 127, 247, 361, 1651, 2413, 4693, 6859, 31369, 45847, 89167, 130321, 596011, 871093, 1694173, 11324209, 16550767, 215159971]

約数ペア:

[(1, 215159971), (13, 16550767), (19, 11324209), (127, 1694173), (247, 871093), (361, 596011), (1651, 130321), (2413, 89167), (4693, 45847), (6859, 31369)]