291290453019

素因数分解:

$3^3\times {\mathrm{149689}}^1\times {\mathrm{72073}}^1$

素因数の和:221771

約数の個数: 16

約数和(自身を含む): 431550282400

約数和(自身を除く): 140259829381

約数列:

[1, 3, 9, 27, 72073, 149689, 216219, 449067, 648657, 1347201, 1945971, 4041603, 10788535297, 32365605891, 97096817673, 291290453019]

約数ペア:

[(1, 291290453019), (3, 97096817673), (9, 32365605891), (27, 10788535297), (72073, 4041603), (149689, 1945971), (216219, 1347201), (449067, 648657)]