205893405

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{240811}}^1$

素因数の和:240841

約数の個数: 24

約数和(自身を含む): 375666720

約数和(自身を除く): 169773315

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 240811, 722433, 1204055, 2167299, 3612165, 4575409, 10836495, 13726227, 22877045, 41178681, 68631135, 205893405]

約数ペア:

[(1, 205893405), (3, 68631135), (5, 41178681), (9, 22877045), (15, 13726227), (19, 10836495), (45, 4575409), (57, 3612165), (95, 2167299), (171, 1204055), (285, 722433), (855, 240811)]