40656987

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1283}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 67302144

約数和(自身を除く): 26645157

約数列:

[1, 3, 7, 9, 21, 63, 503, 1283, 1509, 3521, 3849, 4527, 8981, 10563, 11547, 26943, 31689, 80829, 645349, 1936047, 4517443, 5808141, 13552329, 40656987]

約数ペア:

[(1, 40656987), (3, 13552329), (7, 5808141), (9, 4517443), (21, 1936047), (63, 645349), (503, 80829), (1283, 31689), (1509, 26943), (3521, 11547), (3849, 10563), (4527, 8981)]