202104189

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{19681}}^1$

素因数の和:19857

約数の個数: 24

約数和(自身を含む): 335696192

約数和(自身を除く): 133592003

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 10269, 19681, 59043, 137767, 177129, 413301, 1239903, 3208003, 9624009, 22456021, 28872027, 67368063, 202104189]

約数ペア:

[(1, 202104189), (3, 67368063), (7, 28872027), (9, 22456021), (21, 9624009), (63, 3208003), (163, 1239903), (489, 413301), (1141, 177129), (1467, 137767), (3423, 59043), (10269, 19681)]