203478399

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{3919}}^1$

素因数の和:4572

約数の個数: 20

約数和(自身を含む): 304513440

約数和(自身を除く): 101035041

約数列:

[1, 3, 9, 27, 81, 641, 1923, 3919, 5769, 11757, 17307, 35271, 51921, 105813, 317439, 2512079, 7536237, 22608711, 67826133, 203478399]

約数ペア:

[(1, 203478399), (3, 67826133), (9, 22608711), (27, 7536237), (81, 2512079), (641, 317439), (1923, 105813), (3919, 51921), (5769, 35271), (11757, 17307)]