16987773

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13913}}^1$

素因数の和:13964

約数の個数: 16

約数和(自身を含む): 25379136

約数和(自身を除く): 8391363

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 13913, 41739, 153043, 459129, 514781, 1544343, 5662591, 16987773]

約数ペア:

[(1, 16987773), (3, 5662591), (11, 1544343), (33, 514781), (37, 459129), (111, 153043), (407, 41739), (1221, 13913)]