223810209

素因数分解:

$3^4\times 7^1\times {\mathrm{394727}}^1$

素因数の和:394746

約数の個数: 20

約数和(自身を含む): 382096704

約数和(自身を除く): 158286495

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 394727, 1184181, 2763089, 3552543, 8289267, 10657629, 24867801, 31972887, 74603403, 223810209]

約数ペア:

[(1, 223810209), (3, 74603403), (7, 31972887), (9, 24867801), (21, 10657629), (27, 8289267), (63, 3552543), (81, 2763089), (189, 1184181), (567, 394727)]