778860873

素因数分解:

$3^3\times 7^1\times {\mathrm{4120957}}^1$

素因数の和:4120973

約数の個数: 16

約数和(自身を含む): 1318706560

約数和(自身を除く): 539845687

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4120957, 12362871, 28846699, 37088613, 86540097, 111265839, 259620291, 778860873]

約数ペア:

[(1, 778860873), (3, 259620291), (7, 111265839), (9, 86540097), (21, 37088613), (27, 28846699), (63, 12362871), (189, 4120957)]