788982687

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{145381}}^1$

素因数の和:145460

約数の個数: 20

約数和(自身を含む): 1196203096

約数和(自身を除く): 407220409

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 145381, 436143, 1308429, 3925287, 9740527, 11775861, 29221581, 87664743, 262994229, 788982687]

約数ペア:

[(1, 788982687), (3, 262994229), (9, 87664743), (27, 29221581), (67, 11775861), (81, 9740527), (201, 3925287), (603, 1308429), (1809, 436143), (5427, 145381)]