3972381

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 6276384

約数和(自身を除く): 2304003

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 443, 1281, 1329, 2989, 3101, 8967, 9303, 21707, 27023, 65121, 81069, 189161, 567483, 1324127, 3972381]

約数ペア:

[(1, 3972381), (3, 1324127), (7, 567483), (21, 189161), (49, 81069), (61, 65121), (147, 27023), (183, 21707), (427, 9303), (443, 8967), (1281, 3101), (1329, 2989)]