78694989

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 112435680

約数和(自身を除く): 33740691

約数列:

[1, 3, 17, 51, 139, 289, 417, 653, 867, 1959, 2363, 7089, 11101, 33303, 40171, 90767, 120513, 188717, 272301, 566151, 1543039, 4629117, 26231663, 78694989]

約数ペア:

[(1, 78694989), (3, 26231663), (17, 4629117), (51, 1543039), (139, 566151), (289, 272301), (417, 188717), (653, 120513), (867, 90767), (1959, 40171), (2363, 33303), (7089, 11101)]