7207947

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 11604384

約数和(自身を除く): 4396437

約数列:

[1, 3, 9, 23, 27, 53, 69, 73, 81, 159, 207, 219, 477, 621, 657, 1219, 1431, 1679, 1863, 1971, 3657, 3869, 4293, 5037, 5913, 10971, 11607, 15111, 32913, 34821, 45333, 88987, 98739, 104463, 135999, 266961, 313389, 800883, 2402649, 7207947]

約数ペア:

[(1, 7207947), (3, 2402649), (9, 800883), (23, 313389), (27, 266961), (53, 135999), (69, 104463), (73, 98739), (81, 88987), (159, 45333), (207, 34821), (219, 32913), (477, 15111), (621, 11607), (657, 10971), (1219, 5913), (1431, 5037), (1679, 4293), (1863, 3869), (1971, 3657)]