19779003

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{32801}}^1$

素因数の和:32874

約数の個数: 12

約数和(自身を含む): 28996968

約数和(自身を除く): 9217965

約数列:

[1, 3, 9, 67, 201, 603, 32801, 98403, 295209, 2197667, 6593001, 19779003]

約数ペア:

[(1, 19779003), (3, 6593001), (9, 2197667), (67, 295209), (201, 98403), (603, 32801)]