210875247

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 356249088

約数和(自身を除く): 145373841

約数列:

[1, 3, 9, 11, 23, 33, 37, 69, 99, 111, 207, 253, 333, 407, 759, 851, 1221, 2277, 2503, 2553, 3663, 7509, 7659, 9361, 22527, 27533, 28083, 57569, 82599, 84249, 92611, 172707, 247797, 277833, 518121, 633259, 833499, 1018721, 1899777, 2130053, 3056163, 5699331, 6390159, 9168489, 19170477, 23430583, 70291749, 210875247]

約数ペア:

[(1, 210875247), (3, 70291749), (9, 23430583), (11, 19170477), (23, 9168489), (33, 6390159), (37, 5699331), (69, 3056163), (99, 2130053), (111, 1899777), (207, 1018721), (253, 833499), (333, 633259), (407, 518121), (759, 277833), (851, 247797), (1221, 172707), (2277, 92611), (2503, 84249), (2553, 82599), (3663, 57569), (7509, 28083), (7659, 27533), (9361, 22527)]