38978739

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{28307}}^1$

素因数の和:28336

約数の個数: 20

約数和(自身を含む): 61654824

約数和(自身を除く): 22676085

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 28307, 84921, 254763, 481219, 764289, 1443657, 2292867, 4330971, 12992913, 38978739]

約数ペア:

[(1, 38978739), (3, 12992913), (9, 4330971), (17, 2292867), (27, 1443657), (51, 764289), (81, 481219), (153, 254763), (459, 84921), (1377, 28307)]