81990039

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{12109}}^1$

素因数の和:12210

約数の個数: 16

約数和(自身を含む): 114124640

約数和(自身を除く): 32134601

約数列:

[1, 3, 37, 61, 111, 183, 2257, 6771, 12109, 36327, 448033, 738649, 1344099, 2215947, 27330013, 81990039]

約数ペア:

[(1, 81990039), (3, 27330013), (37, 2215947), (61, 1344099), (111, 738649), (183, 448033), (2257, 36327), (6771, 12109)]