9980496081

素因数分解:

$3^4\times {\mathrm{631}}^1\times {\mathrm{195271}}^1$

素因数の和:195914

約数の個数: 20

約数和(自身を含む): 14932840384

約数和(自身を除く): 4952344303

約数列:

[1, 3, 9, 27, 81, 631, 1893, 5679, 17037, 51111, 195271, 585813, 1757439, 5272317, 15816951, 123216001, 369648003, 1108944009, 3326832027, 9980496081]

約数ペア:

[(1, 9980496081), (3, 3326832027), (9, 1108944009), (27, 369648003), (81, 123216001), (631, 15816951), (1893, 5272317), (5679, 1757439), (17037, 585813), (51111, 195271)]