2639373

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{661}}^1$

素因数の和:697

約数の個数: 16

約数和(自身を含む): 3876672

約数和(自身を除く): 1237299

約数列:

[1, 3, 11, 33, 121, 363, 661, 1331, 1983, 3993, 7271, 21813, 79981, 239943, 879791, 2639373]

約数ペア:

[(1, 2639373), (3, 879791), (11, 239943), (33, 79981), (121, 21813), (363, 7271), (661, 3993), (1331, 1983)]