205510905

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18341}}^1$

素因数の和:18438

約数の個数: 32

約数和(自身を含む): 369774720

約数和(自身を除く): 164263815

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 2241, 3735, 11205, 18341, 55023, 91705, 165069, 275115, 495207, 825345, 1522303, 2476035, 4566909, 7611515, 13700727, 22834545, 41102181, 68503635, 205510905]

約数ペア:

[(1, 205510905), (3, 68503635), (5, 41102181), (9, 22834545), (15, 13700727), (27, 7611515), (45, 4566909), (83, 2476035), (135, 1522303), (249, 825345), (415, 495207), (747, 275115), (1245, 165069), (2241, 91705), (3735, 55023), (11205, 18341)]