389871105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1999339}}^1$

素因数の和:1999360

約数の個数: 16

約数和(自身を含む): 671778240

約数和(自身を除く): 281907135

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1999339, 5998017, 9996695, 25991407, 29990085, 77974221, 129957035, 389871105]

約数ペア:

[(1, 389871105), (3, 129957035), (5, 77974221), (13, 29990085), (15, 25991407), (39, 9996695), (65, 5998017), (195, 1999339)]