15715791

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 28887040

約数和(自身を除く): 13171249

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 619, 651, 819, 1209, 1857, 1953, 2821, 3627, 4333, 5571, 8047, 8463, 12999, 19189, 24141, 25389, 38997, 56329, 57567, 72423, 134323, 168987, 172701, 249457, 402969, 506961, 748371, 1208907, 1746199, 2245113, 5238597, 15715791]

約数ペア:

[(1, 15715791), (3, 5238597), (7, 2245113), (9, 1746199), (13, 1208907), (21, 748371), (31, 506961), (39, 402969), (63, 249457), (91, 172701), (93, 168987), (117, 134323), (217, 72423), (273, 57567), (279, 56329), (403, 38997), (619, 25389), (651, 24141), (819, 19189), (1209, 12999), (1857, 8463), (1953, 8047), (2821, 5571), (3627, 4333)]