202820905

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 283705344

約数和(自身を除く): 80884439

約数列:

[1, 5, 7, 35, 103, 127, 443, 515, 635, 721, 889, 2215, 3101, 3605, 4445, 13081, 15505, 45629, 56261, 65405, 91567, 228145, 281305, 319403, 393827, 457835, 1597015, 1969135, 5794883, 28974415, 40564181, 202820905]

約数ペア:

[(1, 202820905), (5, 40564181), (7, 28974415), (35, 5794883), (103, 1969135), (127, 1597015), (443, 457835), (515, 393827), (635, 319403), (721, 281305), (889, 228145), (2215, 91567), (3101, 65405), (3605, 56261), (4445, 45629), (13081, 15505)]