278300391

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{212281}}^1$

素因数の和:212326

約数の個数: 16

約数和(自身を含む): 407581440

約数和(自身を除く): 129281049

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 212281, 636843, 4033339, 4882463, 12100017, 14647389, 92766797, 278300391]

約数ペア:

[(1, 278300391), (3, 92766797), (19, 14647389), (23, 12100017), (57, 4882463), (69, 4033339), (437, 636843), (1311, 212281)]