2139969213

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{394319}}^1$

素因数の和:394398

約数の個数: 20

約数和(自身を含む): 3244464960

約数和(自身を除く): 1104495747

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 394319, 1182957, 3548871, 10646613, 26419373, 31939839, 79258119, 237774357, 713323071, 2139969213]

約数ペア:

[(1, 2139969213), (3, 713323071), (9, 237774357), (27, 79258119), (67, 31939839), (81, 26419373), (201, 10646613), (603, 3548871), (1809, 1182957), (5427, 394319)]