3777921

素因数分解:

$3^5\times 7^1\times {\mathrm{2221}}^1$

素因数の和:2243

約数の個数: 24

約数和(自身を含む): 6470464

約数和(自身を除く): 2692543

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 2221, 6663, 15547, 19989, 46641, 59967, 139923, 179901, 419769, 539703, 1259307, 3777921]

約数ペア:

[(1, 3777921), (3, 1259307), (7, 539703), (9, 419769), (21, 179901), (27, 139923), (63, 59967), (81, 46641), (189, 19989), (243, 15547), (567, 6663), (1701, 2221)]