1218639549

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{23011}}^1$

素因数の和:23280

約数の個数: 16

約数和(自身を含む): 1649500160

約数和(自身を除く): 430860611

約数列:

[1, 3, 127, 139, 381, 417, 17653, 23011, 52959, 69033, 2922397, 3198529, 8767191, 9595587, 406213183, 1218639549]

約数ペア:

[(1, 1218639549), (3, 406213183), (127, 9595587), (139, 8767191), (381, 3198529), (417, 2922397), (17653, 69033), (23011, 52959)]