79821681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 115758720

約数和(自身を除く): 35937039

約数列:

[1, 3, 17, 51, 83, 109, 173, 249, 327, 519, 1411, 1853, 2941, 4233, 5559, 8823, 9047, 14359, 18857, 27141, 43077, 56571, 153799, 244103, 320569, 461397, 732309, 961707, 1565131, 4695393, 26607227, 79821681]

約数ペア:

[(1, 79821681), (3, 26607227), (17, 4695393), (51, 1565131), (83, 961707), (109, 732309), (173, 461397), (249, 320569), (327, 244103), (519, 153799), (1411, 56571), (1853, 43077), (2941, 27141), (4233, 18857), (5559, 14359), (8823, 9047)]