738859989

素因数分解:

$3^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{17707}}^1$

素因数の和:19704

約数の個数: 16

約数和(自身を含む): 1126512128

約数和(自身を除く): 387652139

約数列:

[1, 3, 7, 21, 1987, 5961, 13909, 17707, 41727, 53121, 123949, 371847, 35183809, 105551427, 246286663, 738859989]

約数ペア:

[(1, 738859989), (3, 246286663), (7, 105551427), (21, 35183809), (1987, 371847), (5961, 123949), (13909, 53121), (17707, 41727)]