20161489383

素因数分解:

$3^3\times 7^2\times {\mathrm{199}}^1\times {\mathrm{76579}}^1$

素因数の和:76801

約数の個数: 48

約数和(自身を含む): 34920480000

約数和(自身を除く): 14758990617

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 199, 441, 597, 1323, 1393, 1791, 4179, 5373, 9751, 12537, 29253, 37611, 76579, 87759, 229737, 263277, 536053, 689211, 1608159, 2067633, 3752371, 4824477, 11257113, 14473431, 15239221, 33771339, 45717663, 101314017, 106674547, 137152989, 320023641, 411458967, 746721829, 960070923, 2240165487, 2880212769, 6720496461, 20161489383]

約数ペア:

[(1, 20161489383), (3, 6720496461), (7, 2880212769), (9, 2240165487), (21, 960070923), (27, 746721829), (49, 411458967), (63, 320023641), (147, 137152989), (189, 106674547), (199, 101314017), (441, 45717663), (597, 33771339), (1323, 15239221), (1393, 14473431), (1791, 11257113), (4179, 4824477), (5373, 3752371), (9751, 2067633), (12537, 1608159), (29253, 689211), (37611, 536053), (76579, 263277), (87759, 229737)]