2643921

素因数分解:

$3^4\times 7^1\times {\mathrm{4663}}^1$

素因数の和:4682

約数の個数: 20

約数和(自身を含む): 4514752

約数和(自身を除く): 1870831

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4663, 13989, 32641, 41967, 97923, 125901, 293769, 377703, 881307, 2643921]

約数ペア:

[(1, 2643921), (3, 881307), (7, 377703), (9, 293769), (21, 125901), (27, 97923), (63, 41967), (81, 32641), (189, 13989), (567, 4663)]