9978987

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4987}}^1$

素因数の和:5042

約数の個数: 16

約数和(自身を含む): 14365440

約数和(自身を除く): 4386453

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 4987, 14961, 114701, 144623, 344103, 433869, 3326329, 9978987]

約数ペア:

[(1, 9978987), (3, 3326329), (23, 433869), (29, 344103), (69, 144623), (87, 114701), (667, 14961), (2001, 4987)]