388773987

素因数分解:

$3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{11549}}^1$

素因数の和:11795

約数の個数: 24

約数和(自身を含む): 605682000

約数和(自身を除く): 216908013

約数列:

[1, 3, 7, 21, 49, 147, 229, 687, 1603, 4809, 11221, 11549, 33663, 34647, 80843, 242529, 565901, 1697703, 2644721, 7934163, 18513047, 55539141, 129591329, 388773987]

約数ペア:

[(1, 388773987), (3, 129591329), (7, 55539141), (21, 18513047), (49, 7934163), (147, 2644721), (229, 1697703), (687, 565901), (1603, 242529), (4809, 80843), (11221, 34647), (11549, 33663)]