212988243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2203}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 318927616

約数和(自身を除く): 105939373

約数列:

[1, 3, 13, 37, 39, 67, 111, 201, 481, 871, 1443, 2203, 2479, 2613, 6609, 7437, 28639, 32227, 81511, 85917, 96681, 147601, 244533, 442803, 1059643, 1918813, 3178929, 5461237, 5756439, 16383711, 70996081, 212988243]

約数ペア:

[(1, 212988243), (3, 70996081), (13, 16383711), (37, 5756439), (39, 5461237), (67, 3178929), (111, 1918813), (201, 1059643), (481, 442803), (871, 244533), (1443, 147601), (2203, 96681), (2479, 85917), (2613, 81511), (6609, 32227), (7437, 28639)]