39909291

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7867}}^1$

素因数の和:7978

約数の個数: 16

約数和(自身を含む): 56649600

約数和(自身を除く): 16740309

約数列:

[1, 3, 19, 57, 89, 267, 1691, 5073, 7867, 23601, 149473, 448419, 700163, 2100489, 13303097, 39909291]

約数ペア:

[(1, 39909291), (3, 13303097), (19, 2100489), (57, 700163), (89, 448419), (267, 149473), (1691, 23601), (5073, 7867)]