638228019

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1487711}}^1$

素因数の和:1487738

約数の個数: 16

約数和(自身を含む): 999742464

約数和(自身を除く): 361514445

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 1487711, 4463133, 16364821, 19340243, 49094463, 58020729, 212742673, 638228019]

約数ペア:

[(1, 638228019), (3, 212742673), (11, 58020729), (13, 49094463), (33, 19340243), (39, 16364821), (143, 4463133), (429, 1487711)]