9909081

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 18726400

約数和(自身を除く): 8817319

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 109, 111, 117, 189, 259, 273, 327, 333, 351, 481, 763, 777, 819, 981, 999, 1417, 1443, 2289, 2331, 2457, 2943, 3367, 4033, 4251, 4329, 6867, 6993, 9919, 10101, 12099, 12753, 12987, 20601, 28231, 29757, 30303, 36297, 38259, 52429, 84693, 89271, 90909, 108891, 157287, 254079, 267813, 367003, 471861, 762237, 1101009, 1415583, 3303027, 9909081]

約数ペア:

[(1, 9909081), (3, 3303027), (7, 1415583), (9, 1101009), (13, 762237), (21, 471861), (27, 367003), (37, 267813), (39, 254079), (63, 157287), (91, 108891), (109, 90909), (111, 89271), (117, 84693), (189, 52429), (259, 38259), (273, 36297), (327, 30303), (333, 29757), (351, 28231), (481, 20601), (763, 12987), (777, 12753), (819, 12099), (981, 10101), (999, 9919), (1417, 6993), (1443, 6867), (2289, 4329), (2331, 4251), (2457, 4033), (2943, 3367)]