207899405

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{1009}}^1$

素因数の和:1086

約数の個数: 36

約数和(自身を含む): 300860820

約数和(自身を除く): 92961415

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 841, 1009, 1015, 1421, 4205, 5045, 5887, 7063, 7105, 29261, 29435, 35315, 41209, 49441, 146305, 204827, 206045, 247205, 848569, 1024135, 1433789, 4242845, 5939983, 7168945, 29699915, 41579881, 207899405]

約数ペア:

[(1, 207899405), (5, 41579881), (7, 29699915), (29, 7168945), (35, 5939983), (49, 4242845), (145, 1433789), (203, 1024135), (245, 848569), (841, 247205), (1009, 206045), (1015, 204827), (1421, 146305), (4205, 49441), (5045, 41209), (5887, 35315), (7063, 29435), (7105, 29261)]