51031701

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 92019200

約数和(自身を除く): 40987499

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 1197, 1539, 1579, 1701, 3591, 4617, 4737, 10773, 11053, 14211, 30001, 32319, 33159, 42633, 90003, 99477, 127899, 210007, 270009, 298431, 383697, 630021, 810027, 895293, 1890063, 2430081, 2685879, 5670189, 7290243, 17010567, 51031701]

約数ペア:

[(1, 51031701), (3, 17010567), (7, 7290243), (9, 5670189), (19, 2685879), (21, 2430081), (27, 1890063), (57, 895293), (63, 810027), (81, 630021), (133, 383697), (171, 298431), (189, 270009), (243, 210007), (399, 127899), (513, 99477), (567, 90003), (1197, 42633), (1539, 33159), (1579, 32319), (1701, 30001), (3591, 14211), (4617, 11053), (4737, 10773)]