31151211

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16301}}^1$

素因数の和:16331

約数の個数: 24

約数和(自身を含む): 52035984

約数和(自身を除く): 20884773

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 16301, 48903, 114107, 211913, 342321, 635739, 798749, 1483391, 2396247, 4450173, 10383737, 31151211]

約数ペア:

[(1, 31151211), (3, 10383737), (7, 4450173), (13, 2396247), (21, 1483391), (39, 798749), (49, 635739), (91, 342321), (147, 211913), (273, 114107), (637, 48903), (1911, 16301)]