489751521

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{27997}}^1$

素因数の和:28038

約数の個数: 32

約数和(自身を含む): 806342400

約数和(自身を除く): 316590879

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2499, 5831, 17493, 27997, 83991, 195979, 475949, 587937, 1371853, 1427847, 3331643, 4115559, 9602971, 9994929, 23321501, 28808913, 69964503, 163250507, 489751521]

約数ペア:

[(1, 489751521), (3, 163250507), (7, 69964503), (17, 28808913), (21, 23321501), (49, 9994929), (51, 9602971), (119, 4115559), (147, 3331643), (343, 1427847), (357, 1371853), (833, 587937), (1029, 475949), (2499, 195979), (5831, 83991), (17493, 27997)]