628162563

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1\times {\mathrm{2381}}^1$

素因数の和:3147

約数の個数: 32

約数和(自身を含む): 1015303680

約数和(自身を除く): 387141117

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 739, 2217, 2381, 5173, 7143, 12563, 15519, 16667, 37689, 40477, 50001, 87941, 121431, 263823, 283339, 850017, 1759559, 5278677, 12316913, 29912503, 36950739, 89737509, 209387521, 628162563]

約数ペア:

[(1, 628162563), (3, 209387521), (7, 89737509), (17, 36950739), (21, 29912503), (51, 12316913), (119, 5278677), (357, 1759559), (739, 850017), (2217, 283339), (2381, 263823), (5173, 121431), (7143, 87941), (12563, 50001), (15519, 40477), (16667, 37689)]