20172857679

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{82457}}^1$

素因数の和:82537

約数の個数: 64

約数和(自身を含む): 34909418880

約数和(自身を除く): 14736561201

約数列:

[1, 3, 9, 13, 17, 27, 39, 41, 51, 117, 123, 153, 221, 351, 369, 459, 533, 663, 697, 1107, 1599, 1989, 2091, 4797, 5967, 6273, 9061, 14391, 18819, 27183, 81549, 82457, 244647, 247371, 742113, 1071941, 1401769, 2226339, 3215823, 3380737, 4205307, 9647469, 10142211, 12615921, 18222997, 28942407, 30426633, 37847763, 43949581, 54668991, 57472529, 91279899, 131848743, 164006973, 172417587, 395546229, 492020919, 517252761, 747142877, 1186638687, 1551758283, 2241428631, 6724285893, 20172857679]

約数ペア:

[(1, 20172857679), (3, 6724285893), (9, 2241428631), (13, 1551758283), (17, 1186638687), (27, 747142877), (39, 517252761), (41, 492020919), (51, 395546229), (117, 172417587), (123, 164006973), (153, 131848743), (221, 91279899), (351, 57472529), (369, 54668991), (459, 43949581), (533, 37847763), (663, 30426633), (697, 28942407), (1107, 18222997), (1599, 12615921), (1989, 10142211), (2091, 9647469), (4797, 4205307), (5967, 3380737), (6273, 3215823), (9061, 2226339), (14391, 1401769), (18819, 1071941), (27183, 742113), (81549, 247371), (82457, 244647)]