195890241

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 282028032

約数和(自身を除く): 86137791

約数列:

[1, 3, 23, 43, 69, 103, 129, 309, 641, 989, 1923, 2369, 2967, 4429, 7107, 13287, 14743, 27563, 44229, 66023, 82689, 101867, 198069, 305601, 633949, 1518529, 1901847, 2838989, 4555587, 8516967, 65296747, 195890241]

約数ペア:

[(1, 195890241), (3, 65296747), (23, 8516967), (43, 4555587), (69, 2838989), (103, 1901847), (129, 1518529), (309, 633949), (641, 305601), (989, 198069), (1923, 101867), (2369, 82689), (2967, 66023), (4429, 44229), (7107, 27563), (13287, 14743)]