20111139

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 11568861

約数列:

[1, 3, 9, 19, 27, 57, 171, 197, 199, 513, 591, 597, 1773, 1791, 3743, 3781, 5319, 5373, 11229, 11343, 33687, 34029, 39203, 101061, 102087, 117609, 352827, 744857, 1058481, 2234571, 6703713, 20111139]

約数ペア:

[(1, 20111139), (3, 6703713), (9, 2234571), (19, 1058481), (27, 744857), (57, 352827), (171, 117609), (197, 102087), (199, 101061), (513, 39203), (591, 34029), (597, 33687), (1773, 11343), (1791, 11229), (3743, 5373), (3781, 5319)]