78315447

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{219371}}^1$

素因数の和:219398

約数の個数: 16

約数和(自身を含む): 126358272

約数和(自身を除く): 48042825

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 219371, 658113, 1535597, 3729307, 4606791, 11187921, 26105149, 78315447]

約数ペア:

[(1, 78315447), (3, 26105149), (7, 11187921), (17, 4606791), (21, 3729307), (51, 1535597), (119, 658113), (357, 219371)]