278982567

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{22349}}^1$

素因数の和:22447

約数の個数: 24

約数和(自身を含む): 430014000

約数和(自身を除く): 151031433

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 4161, 12483, 22349, 67047, 201141, 424631, 1273893, 1631477, 3821679, 4894431, 14683293, 30998063, 92994189, 278982567]

約数ペア:

[(1, 278982567), (3, 92994189), (9, 30998063), (19, 14683293), (57, 4894431), (73, 3821679), (171, 1631477), (219, 1273893), (657, 424631), (1387, 201141), (4161, 67047), (12483, 22349)]