210977811

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 356336640

約数和(自身を除く): 145358829

約数列:

[1, 3, 9, 11, 27, 33, 37, 73, 99, 111, 219, 263, 297, 333, 407, 657, 789, 803, 999, 1221, 1971, 2367, 2409, 2701, 2893, 3663, 7101, 7227, 8103, 8679, 9731, 10989, 19199, 21681, 24309, 26037, 29193, 29711, 57597, 72927, 78111, 87579, 89133, 107041, 172791, 211189, 262737, 267399, 321123, 518373, 633567, 710363, 802197, 963369, 1900701, 2131089, 2890107, 5702103, 6393267, 7813993, 19179801, 23441979, 70325937, 210977811]

約数ペア:

[(1, 210977811), (3, 70325937), (9, 23441979), (11, 19179801), (27, 7813993), (33, 6393267), (37, 5702103), (73, 2890107), (99, 2131089), (111, 1900701), (219, 963369), (263, 802197), (297, 710363), (333, 633567), (407, 518373), (657, 321123), (789, 267399), (803, 262737), (999, 211189), (1221, 172791), (1971, 107041), (2367, 89133), (2409, 87579), (2701, 78111), (2893, 72927), (3663, 57597), (7101, 29711), (7227, 29193), (8103, 26037), (8679, 24309), (9731, 21681), (10989, 19199)]