821444121

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{541}}^1\times {\mathrm{1493}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 1200046536

約数和(自身を除く): 378602415

約数列:

[1, 3, 9, 113, 339, 541, 1017, 1493, 1623, 4479, 4869, 13437, 61133, 168709, 183399, 506127, 550197, 807713, 1518381, 2423139, 7269417, 91271569, 273814707, 821444121]

約数ペア:

[(1, 821444121), (3, 273814707), (9, 91271569), (113, 7269417), (339, 2423139), (541, 1518381), (1017, 807713), (1493, 550197), (1623, 506127), (4479, 183399), (4869, 168709), (13437, 61133)]