289260018

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{73379}}^1$

素因数の和:73463

約数の個数: 32

約数和(自身を含む): 651614400

約数和(自身を除く): 362354382

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 73379, 146758, 220137, 440274, 660411, 1320822, 1981233, 3962466, 5356667, 10713334, 16070001, 32140002, 48210003, 96420006, 144630009, 289260018]

約数ペア:

[(1, 289260018), (2, 144630009), (3, 96420006), (6, 48210003), (9, 32140002), (18, 16070001), (27, 10713334), (54, 5356667), (73, 3962466), (146, 1981233), (219, 1320822), (438, 660411), (657, 440274), (1314, 220137), (1971, 146758), (3942, 73379)]