781687017

素因数分解:

$3^6\times {\mathrm{41}}^1\times {\mathrm{26153}}^1$

素因数の和:26212

約数の個数: 28

約数和(自身を含む): 1200625524

約数和(自身を除く): 418938507

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 729, 1107, 3321, 9963, 26153, 29889, 78459, 235377, 706131, 1072273, 2118393, 3216819, 6355179, 9650457, 19065537, 28951371, 86854113, 260562339, 781687017]

約数ペア:

[(1, 781687017), (3, 260562339), (9, 86854113), (27, 28951371), (41, 19065537), (81, 9650457), (123, 6355179), (243, 3216819), (369, 2118393), (729, 1072273), (1107, 706131), (3321, 235377), (9963, 78459), (26153, 29889)]