209560905

素因数分解:

$3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6961}}^1$

素因数の和:7198

約数の個数: 32

約数和(自身を含む): 374277120

約数和(自身を除く): 164716215

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 223, 669, 1115, 2007, 3345, 6021, 6961, 10035, 20883, 30105, 34805, 62649, 104415, 187947, 313245, 939735, 1552303, 4656909, 7761515, 13970727, 23284545, 41912181, 69853635, 209560905]

約数ペア:

[(1, 209560905), (3, 69853635), (5, 41912181), (9, 23284545), (15, 13970727), (27, 7761515), (45, 4656909), (135, 1552303), (223, 939735), (669, 313245), (1115, 187947), (2007, 104415), (3345, 62649), (6021, 34805), (6961, 30105), (10035, 20883)]