201901221

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{709}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 306720000

約数和(自身を除く): 104818779

約数列:

[1, 3, 9, 27, 53, 159, 199, 477, 597, 709, 1431, 1791, 2127, 5373, 6381, 10547, 19143, 31641, 37577, 94923, 112731, 141091, 284769, 338193, 423273, 1014579, 1269819, 3809457, 7477823, 22433469, 67300407, 201901221]

約数ペア:

[(1, 201901221), (3, 67300407), (9, 22433469), (27, 7477823), (53, 3809457), (159, 1269819), (199, 1014579), (477, 423273), (597, 338193), (709, 284769), (1431, 141091), (1791, 112731), (2127, 94923), (5373, 37577), (6381, 31641), (10547, 19143)]