39858885

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 81544320

約数和(自身を除く): 41685435

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 81, 99, 115, 135, 165, 207, 253, 297, 345, 389, 405, 495, 621, 759, 891, 1035, 1167, 1265, 1485, 1863, 1945, 2277, 3105, 3501, 3795, 4279, 4455, 5835, 6831, 8947, 9315, 10503, 11385, 12837, 17505, 20493, 21395, 26841, 31509, 34155, 38511, 44735, 52515, 64185, 80523, 98417, 102465, 115533, 134205, 157545, 192555, 241569, 295251, 346599, 402615, 492085, 577665, 724707, 885753, 1207845, 1476255, 1732995, 2657259, 3623535, 4428765, 7971777, 13286295, 39858885]

約数ペア:

[(1, 39858885), (3, 13286295), (5, 7971777), (9, 4428765), (11, 3623535), (15, 2657259), (23, 1732995), (27, 1476255), (33, 1207845), (45, 885753), (55, 724707), (69, 577665), (81, 492085), (99, 402615), (115, 346599), (135, 295251), (165, 241569), (207, 192555), (253, 157545), (297, 134205), (345, 115533), (389, 102465), (405, 98417), (495, 80523), (621, 64185), (759, 52515), (891, 44735), (1035, 38511), (1167, 34155), (1265, 31509), (1485, 26841), (1863, 21395), (1945, 20493), (2277, 17505), (3105, 12837), (3501, 11385), (3795, 10503), (4279, 9315), (4455, 8947), (5835, 6831)]