77872319

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9915

約数の個数: 16

約数和(自身を含む): 94771200

約数和(自身を除く): 16898881

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 9871, 69097, 227033, 483679, 1589231, 3385753, 11124617, 77872319]

約数ペア:

[(1, 77872319), (7, 11124617), (23, 3385753), (49, 1589231), (161, 483679), (343, 227033), (1127, 69097), (7889, 9871)]