204080479533

素因数分解:

$3^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1400507}}^1$

素因数の和:1400783

約数の個数: 40

約数和(自身を含む): 349768469952

約数和(自身を除く): 145687990419

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 257, 567, 771, 1799, 2313, 5397, 6939, 16191, 20817, 48573, 145719, 1400507, 4201521, 9803549, 12604563, 29410647, 37813689, 88231941, 113441067, 264695823, 359930299, 794087469, 1079790897, 2519512093, 3239372691, 7558536279, 9718118073, 22675608837, 29154354219, 68026826511, 204080479533]

約数ペア:

[(1, 204080479533), (3, 68026826511), (7, 29154354219), (9, 22675608837), (21, 9718118073), (27, 7558536279), (63, 3239372691), (81, 2519512093), (189, 1079790897), (257, 794087469), (567, 359930299), (771, 264695823), (1799, 113441067), (2313, 88231941), (5397, 37813689), (6939, 29410647), (16191, 12604563), (20817, 9803549), (48573, 4201521), (145719, 1400507)]