18979551423

素因数分解:

$3^3\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{77069}}^1$

素因数の和:78388

約数の個数: 32

約数和(自身を含む): 32159769600

約数和(自身を除く): 13180218177

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1303, 3909, 9121, 11727, 27363, 35181, 77069, 82089, 231207, 246267, 539483, 693621, 1618449, 2080863, 4855347, 14566041, 100420907, 301262721, 702946349, 903788163, 2108839047, 2711364489, 6326517141, 18979551423]

約数ペア:

[(1, 18979551423), (3, 6326517141), (7, 2711364489), (9, 2108839047), (21, 903788163), (27, 702946349), (63, 301262721), (189, 100420907), (1303, 14566041), (3909, 4855347), (9121, 2080863), (11727, 1618449), (27363, 693621), (35181, 539483), (77069, 246267), (82089, 231207)]