1978218891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{868783}}^1$

素因数の和:868823

約数の個数: 24

約数和(自身を含む): 3252727296

約数和(自身を除く): 1274508405

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 868783, 2606349, 7819047, 9556613, 19982009, 28669839, 59946027, 86009517, 179838081, 219802099, 659406297, 1978218891]

約数ペア:

[(1, 1978218891), (3, 659406297), (9, 219802099), (11, 179838081), (23, 86009517), (33, 59946027), (69, 28669839), (99, 19982009), (207, 9556613), (253, 7819047), (759, 2606349), (2277, 868783)]