231041038221

素因数分解:

$3^2\times 7^2\times {\mathrm{523902581}}^1$

素因数の和:523902601

約数の個数: 18

約数和(自身を含む): 388211813262

約数和(自身を除く): 157170775041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 523902581, 1571707743, 3667318067, 4715123229, 11001954201, 25671226469, 33005862603, 77013679407, 231041038221]

約数ペア:

[(1, 231041038221), (3, 77013679407), (7, 33005862603), (9, 25671226469), (21, 11001954201), (49, 4715123229), (63, 3667318067), (147, 1571707743), (441, 523902581)]