214906905

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37021}}^1$

素因数の和:37078

約数の個数: 32

約数和(自身を含む): 390952320

約数和(自身を除く): 176045415

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 37021, 111063, 185105, 333189, 555315, 999567, 1591903, 1665945, 4775709, 4997835, 7959515, 14327127, 23878545, 42981381, 71635635, 214906905]

約数ペア:

[(1, 214906905), (3, 71635635), (5, 42981381), (9, 23878545), (15, 14327127), (27, 7959515), (43, 4997835), (45, 4775709), (129, 1665945), (135, 1591903), (215, 999567), (387, 555315), (645, 333189), (1161, 185105), (1935, 111063), (5805, 37021)]