7188909

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1549}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 12499200

約数和(自身を除く): 5310291

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 1549, 4641, 4647, 10843, 20137, 26333, 32529, 60411, 78999, 140959, 184331, 342329, 422877, 552993, 1026987, 2396303, 7188909]

約数ペア:

[(1, 7188909), (3, 2396303), (7, 1026987), (13, 552993), (17, 422877), (21, 342329), (39, 184331), (51, 140959), (91, 78999), (119, 60411), (221, 32529), (273, 26333), (357, 20137), (663, 10843), (1547, 4647), (1549, 4641)]