91604961

素因数分解:

$3^2\times 7^2\times {\mathrm{207721}}^1$

素因数の和:207741

約数の個数: 18

約数和(自身を含む): 153922002

約数和(自身を除く): 62317041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 207721, 623163, 1454047, 1869489, 4362141, 10178329, 13086423, 30534987, 91604961]

約数ペア:

[(1, 91604961), (3, 30534987), (7, 13086423), (9, 10178329), (21, 4362141), (49, 1869489), (63, 1454047), (147, 623163), (441, 207721)]