39121947

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{28411}}^1$

素因数の和:28440

約数の個数: 20

約数和(自身を含む): 61881336

約数和(自身を除く): 22759389

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 28411, 85233, 255699, 482987, 767097, 1448961, 2301291, 4346883, 13040649, 39121947]

約数ペア:

[(1, 39121947), (3, 13040649), (9, 4346883), (17, 2301291), (27, 1448961), (51, 767097), (81, 482987), (153, 255699), (459, 85233), (1377, 28411)]