1990657953

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 3044321280

約数和(自身を除く): 1053663327

約数列:

[1, 3, 9, 41, 43, 109, 123, 129, 327, 369, 387, 981, 1151, 1763, 3453, 4469, 4687, 5289, 10359, 13407, 14061, 15867, 40221, 42183, 47191, 49493, 125459, 141573, 148479, 192167, 376377, 424719, 445437, 576501, 1129131, 1729503, 2029213, 5143819, 5394737, 6087639, 15431457, 16184211, 18262917, 46294371, 48552633, 221184217, 663552651, 1990657953]

約数ペア:

[(1, 1990657953), (3, 663552651), (9, 221184217), (41, 48552633), (43, 46294371), (109, 18262917), (123, 16184211), (129, 15431457), (327, 6087639), (369, 5394737), (387, 5143819), (981, 2029213), (1151, 1729503), (1763, 1129131), (3453, 576501), (4469, 445437), (4687, 424719), (5289, 376377), (10359, 192167), (13407, 148479), (14061, 141573), (15867, 125459), (40221, 49493), (42183, 47191)]