203411457

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{2357}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 302125824

約数和(自身を除く): 98714367

約数列:

[1, 3, 9, 43, 129, 223, 387, 669, 2007, 2357, 7071, 9589, 21213, 28767, 86301, 101351, 304053, 525611, 912159, 1576833, 4730499, 22601273, 67803819, 203411457]

約数ペア:

[(1, 203411457), (3, 67803819), (9, 22601273), (43, 4730499), (129, 1576833), (223, 912159), (387, 525611), (669, 304053), (2007, 101351), (2357, 86301), (7071, 28767), (9589, 21213)]