28322397

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 41932800

約数和(自身を除く): 13610403

約数列:

[1, 3, 9, 71, 127, 213, 349, 381, 639, 1047, 1143, 3141, 9017, 24779, 27051, 44323, 74337, 81153, 132969, 223011, 398907, 3146933, 9440799, 28322397]

約数ペア:

[(1, 28322397), (3, 9440799), (9, 3146933), (71, 398907), (127, 223011), (213, 132969), (349, 81153), (381, 74337), (639, 44323), (1047, 27051), (1143, 24779), (3141, 9017)]