28471671

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 17654409

約数列:

[1, 3, 9, 19, 31, 41, 57, 93, 123, 131, 171, 279, 369, 393, 589, 779, 1179, 1271, 1767, 2337, 2489, 3813, 4061, 5301, 5371, 7011, 7467, 11439, 12183, 16113, 22401, 24149, 36549, 48339, 72447, 77159, 102049, 166501, 217341, 231477, 306147, 499503, 694431, 918441, 1498509, 3163519, 9490557, 28471671]

約数ペア:

[(1, 28471671), (3, 9490557), (9, 3163519), (19, 1498509), (31, 918441), (41, 694431), (57, 499503), (93, 306147), (123, 231477), (131, 217341), (171, 166501), (279, 102049), (369, 77159), (393, 72447), (589, 48339), (779, 36549), (1179, 24149), (1271, 22401), (1767, 16113), (2337, 12183), (2489, 11439), (3813, 7467), (4061, 7011), (5301, 5371)]