39900987

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4987}}^1$

素因数の和:5127

約数の個数: 24

約数和(自身を含む): 66400256

約数和(自身を除く): 26499269

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 4987, 8001, 14961, 34909, 44883, 104727, 314181, 633349, 1900047, 4433443, 5700141, 13300329, 39900987]

約数ペア:

[(1, 39900987), (3, 13300329), (7, 5700141), (9, 4433443), (21, 1900047), (63, 633349), (127, 314181), (381, 104727), (889, 44883), (1143, 34909), (2667, 14961), (4987, 8001)]