30521001

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 50927616

約数和(自身を除く): 20406615

約数列:

[1, 3, 7, 17, 21, 47, 51, 107, 119, 141, 289, 321, 329, 357, 749, 799, 867, 987, 1819, 2023, 2247, 2397, 5029, 5457, 5593, 6069, 12733, 13583, 15087, 16779, 30923, 35203, 38199, 40749, 85493, 92769, 95081, 105609, 216461, 256479, 285243, 598451, 649383, 1453381, 1795353, 4360143, 10173667, 30521001]

約数ペア:

[(1, 30521001), (3, 10173667), (7, 4360143), (17, 1795353), (21, 1453381), (47, 649383), (51, 598451), (107, 285243), (119, 256479), (141, 216461), (289, 105609), (321, 95081), (329, 92769), (357, 85493), (749, 40749), (799, 38199), (867, 35203), (987, 30923), (1819, 16779), (2023, 15087), (2247, 13583), (2397, 12733), (5029, 6069), (5457, 5593)]