213307389

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{359}}^1\times {\mathrm{617}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 312361920

約数和(自身を除く): 99054531

約数列:

[1, 3, 9, 107, 321, 359, 617, 963, 1077, 1851, 3231, 5553, 38413, 66019, 115239, 198057, 221503, 345717, 594171, 664509, 1993527, 23700821, 71102463, 213307389]

約数ペア:

[(1, 213307389), (3, 71102463), (9, 23700821), (107, 1993527), (321, 664509), (359, 594171), (617, 345717), (963, 221503), (1077, 198057), (1851, 115239), (3231, 66019), (5553, 38413)]