199910871

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{56809}}^1$

素因数の和:56855

約数の個数: 24

約数和(自身を含む): 319044960

約数和(自身を除く): 119134089

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 56809, 170427, 511281, 965753, 1306607, 2897259, 3919821, 8691777, 11759463, 22212319, 66636957, 199910871]

約数ペア:

[(1, 199910871), (3, 66636957), (9, 22212319), (17, 11759463), (23, 8691777), (51, 3919821), (69, 2897259), (153, 1306607), (207, 965753), (391, 511281), (1173, 170427), (3519, 56809)]