78513291

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{122869}}^1$

素因数の和:122946

約数の個数: 12

約数和(自身を含む): 115006320

約数和(自身を除く): 36493029

約数列:

[1, 3, 9, 71, 213, 639, 122869, 368607, 1105821, 8723699, 26171097, 78513291]

約数ペア:

[(1, 78513291), (3, 26171097), (9, 8723699), (71, 1105821), (213, 368607), (639, 122869)]