30920841

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28871}}^1$

素因数の和:28901

約数の個数: 24

約数和(自身を含む): 54048384

約数和(自身を除く): 23127543

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 28871, 86613, 202097, 259839, 490807, 606291, 1472421, 1818873, 3435649, 4417263, 10306947, 30920841]

約数ペア:

[(1, 30920841), (3, 10306947), (7, 4417263), (9, 3435649), (17, 1818873), (21, 1472421), (51, 606291), (63, 490807), (119, 259839), (153, 202097), (357, 86613), (1071, 28871)]