208628055

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22397}}^1$

素因数の和:22437

約数の個数: 40

約数和(自身を含む): 390262752

約数和(自身を除く): 181634697

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 22397, 67191, 111985, 201573, 335955, 515131, 604719, 1007865, 1545393, 1814157, 2575655, 3023595, 4636179, 7726965, 9070785, 13908537, 23180895, 41725611, 69542685, 208628055]

約数ペア:

[(1, 208628055), (3, 69542685), (5, 41725611), (9, 23180895), (15, 13908537), (23, 9070785), (27, 7726965), (45, 4636179), (69, 3023595), (81, 2575655), (115, 1814157), (135, 1545393), (207, 1007865), (345, 604719), (405, 515131), (621, 335955), (1035, 201573), (1863, 111985), (3105, 67191), (9315, 22397)]