198185589

素因数分解:

$3^3\times 7^1\times {\mathrm{1048601}}^1$

素因数の和:1048617

約数の個数: 16

約数和(自身を含む): 335552640

約数和(自身を除く): 137367051

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1048601, 3145803, 7340207, 9437409, 22020621, 28312227, 66061863, 198185589]

約数ペア:

[(1, 198185589), (3, 66061863), (7, 28312227), (9, 22020621), (21, 9437409), (27, 7340207), (63, 3145803), (189, 1048601)]