201254721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 290822400

約数和(自身を除く): 89567679

約数列:

[1, 3, 17, 51, 89, 101, 267, 303, 439, 1317, 1513, 1717, 4539, 5151, 7463, 8989, 22389, 26967, 39071, 44339, 117213, 133017, 152813, 458439, 664207, 753763, 1992621, 2261289, 3946171, 11838513, 67084907, 201254721]

約数ペア:

[(1, 201254721), (3, 67084907), (17, 11838513), (51, 3946171), (89, 2261289), (101, 1992621), (267, 753763), (303, 664207), (439, 458439), (1317, 152813), (1513, 133017), (1717, 117213), (4539, 44339), (5151, 39071), (7463, 26967), (8989, 22389)]